Chemical Name: 17,21-Dihydroxypregna-1,4-diene-3,11,20-trione Hydrochloride (as per EP and USP)
Synonym: Ethambutol USP Related Compound A ; meso-ethambutol
Smile: C[C@]([C@@]1(O)C(CO)=O)(C2)[C@](CC1)([H])[C@@](CCC3=CC4=O)([H])[C@]([C@]3(C=C4)C)([H])C2=O