NE-100 is potent and selective σ1 receptor antagonist that displays > 55-fold selectivity over σ2receptors and > 6000-fold selectivity over D1, D2, 5-HT1A, 5-HT2 and PCP receptors. NE-100 exhibits reversible binding and displays antipsychotic activity in vivo.

4-Piperidinol, 1-phenethyl-4-phenyl acetate (PEPAP) is a synthetic opioid discovered by Janssen in 1960. PEPAP is an analog of meperidine, it is abused and illegally sold on streets as a "synthetic heroin".

Disodium phenyl phosphate is a monophenyl ester of phosphoric acid. It is used as tool compound to study the efficacy of phosphatases. Hydrolysis of phenyl phosphate by milk phosphatases was used to used to indicate whether milk has been adequately pasteurized or whether it has been contaminated with raw milk after pasteurization. Phenyl phosphate was also used as a molecular fragment for fragment-based drug discovery of Src SH2.