Chemical Name: (3S,4S)-3-Hydroxy-4-phenylazetidin-2-one
Synonym: 5-Hydroxy Pioglitazone Impurity ; Pioglitazone 5-Hydroxy Metabolite ; 5-[[4-[2-(5-Ethyl-2-pyridinyl)ethoxy]phenyl]methyl]-5-hydroxy-2,4-thiazolidinedione ;
Smile: O[C@H](C(N1)=O)[C@H]1C2=CC=CC=C2