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Status:
US Approved Rx (2017)
First approved in 1942

Class (Stereo):
CHEMICAL (ABSOLUTE)



Cyanocobalamin (commonly known as Vitamin B12) is the most chemically complex of all the vitamins. Cyanocobalamin's structure is based on a corrin ring, which, although similar to the porphyrin ring found in heme, chlorophyll, and cytochrome, has two...
Status:
US Approved Rx (1984)
First marketed in 1921

Class (Stereo):
CHEMICAL (ACHIRAL)



Acetic acid (a component of vinagre) is used in medicine for the treatment of otitis externa caused by bacterial infections. The solution containing acetic acid was approved by FDA.