Climazolam is a benzodiazepine derivative, developed by Hoffman-LaRoche. It was used in veterinary for anesthetizing animals.

Methoprene is a pesticide that acts as a juvenile hormone agonist. Although developed initially against insects, it has since been shown to have toxic effects on larval and adult crustaceans. Methoprene was one of the several pesticides applied to the Western Long Island Sound (WLIS) watershed area during the summer of 1999. Methoprene is a racemic mixture of two enantiomers (R and S in a ratio of 1:1). The activity of the compound as a juvenile hormone is restricted to the S enantiomer. Recent data have been describing the male sexual enhancement after methoprene treatment in Anastrepha fraterculus (Diptera: Tephritidae). It has been shown, that a sustained response doesn`t not fade away after sexual maturation, thus the potential benefits of using methoprene to increase the efficiency of the sterile insect technique, which is an environmentally safe method to control this fruit pest, have been proposed.

Diminazene is an aromatic diamidine derived from Surfen C. Diminazene is used as aceturate salt. Diminazene is highly active against both Trypanosoma and Babesia spp. It is also of value in the treatment of theileriosis due to Theileria annulata. Diminazene has become the most commonly used therapeutic agent for trypanosomiasis in animals. It is said to be effective in canine, ovine and bovine babesiosis and, unlike some drugs, is less susceptible to relapse. It may also possess antibacterial properties. Diminazene binds to trypanosomal kDNA. This binding does not occur by intercalation but via specific interaction with sites rich in adenine-thymine (A-T) base pairs. Diminazene specifically inhibits mitochondrial type II topoisomerase in viable trypanosomes. Thus, inhibition of DNA replication may also occur via this interaction. Diminazene is extensively distributed in the body of treated animals. Residues of the compound may persist for several weeks, principally in the liver and kidneys, and also, to a lesser extent, in the gastrointestinal tract, lungs, muscle, brain and fat.

The organophosphate compound Naftalofos is an anthelmintic drug. In Australia it is approved for veterinary use. Naftalofos has been used for many years to control nematodes of livestock. Naftalofos boluses are used against nematodes of cattle. Naphthalophos (36.6 to 51.2 mg/kg) was also 93% efficient against the multiple resistant strains of Trichostrongylus colubriformis in sheep. Naphthalophos showed efficacy against Haemonchus contortus (> 99 %),Trichostrongylus axei (99.3 %), Teladorsagia circumcincta (97.8 %), Trichostrongylus colubriformis (99.2 %), Cooperia punctata/curticei/pectinata (90.4 %), Nematodirus spathiger (89.2 %) and Oesophagostomum venulosum/columbianum (93.7 %). Naphthalophos represents an effective therapeutic alternative for incorporation into worm control programmes.

Resorantel (HOE 296V) is an anthelmintic agent. Resorantel was found to be highly effective against Houttuynia struthionis (a tapeworm, parasite of the small intestine) in ostriches. Resorantel also showed anthelmintic efficacy against Thysaniezia giardi and Avitellina spp. (both tapeworms) when tested in sheep. Similar results have been found in goats and cattle.

Peforelin, a decapeptide analog of the natural gonadotropin acts as the natural gonadotropin-releasing hormone (GnRH) agonist. This drug under the brand name Maprelin is used in veterinary to stimulate the reproductive function of sows after weaning piglets in the syndrome of sexual depression.

Sulfatroxazole is a sulfamide derivative patented by Swiss multinational healthcare company F. Hoffmann-La Roche & Co., A.-G. as an antibacterial agent and bacteriostatic antibiotic. Sulfatroxazole competitively inhibits dihydropteroate synthase preventing the formation of dihydropteroic acid, a precursor of folic acid which is required for bacterial growth. Sulfatroxazole is a component present in various veterinary drugs.

(E)-Tetrachlorovinphos is an (E)- isomer of Tetrachlorovinphos. Tetrachlorovinphos is an organophosphate cholinesterase inhibitor that is used as an insecticide. Tetrachlorvinphos was introduced and first used commercially in 1966 in the USA. Tetrachlorvinphos was originally registered for use on various food crops, livestock, pet animals. Tetrachlorvinphos is applied dermally to livestock to control flies and mites. It is used as an oral larvicide in cattle, hog, goats and horses; in cattle ear tags to control flies; in cattle feedlots; in poultry dust boxes to control poultry mites; and in poultry houses. Tetrachlorvinphos also is used in pet sleeping areas and pet flea collars and to control flies around refuse sites, recreational areas, and for general outdoor treatment. Tetrachlorvinphos can cause cholinesterase inhibition in humans; that is, it can overstimulate the nervous system causing nausea, dizziness, confusion, and at very high exposures (e.g., accidents or major spills), respiratory paralysis and death. In 2014, the Natural Resources Defense Council (NRDC) filed a lawsuit against the United States Environmental Protection Agency (EPA) seeking EPA to respond to NRDC’s 2009 petition to ban tetrachlorvinphos in common pet flea treatment products. Tetrachlorvinphos is reportedly registered for use in Canada, South Africa, and Australia.

Tiaprost is a synthetic analog of prostaglandin F2α (PGF2α) patented by Hoechst A.-G. as an estrus-synchronizing agent for veterinary medicine. Tiaprost treatment reduced the interval from calving to conception in multiparous cows, but it delayed conception and reduced the conception rate in primiparous cows. Treatment with tiaprost impaired reproductive performance in primiparous cows

Etorphine was the first potent opiate agonist employed primarily for use in non-domestic and wild species. Etorphine was 500 times as potent as morphine, with a very rapid onset and short duration of action. In morphine-dependent subjects, etorphine suppressed abstinence but for a shorter period than morphine. Etorphine is a full opiate agonist and binds to multiple opiate sites in the central nervous system. It is believed to produce its clinical effects through binding the µ-, δ-, and κ- opiate sites. It has a potent effect on depressing the respiratory centers of the CNS thus resulting in apnea being commonly seen in immobilized animals. Etorphine revolutionized the ability of biologists and veterinarians to safely capture and restrain many species that previously could not be handled. Etorphine is not currently commercially available due to lack of production by the manufacturer.