Clobetasol Propionate Impurity 1

Chemical Name: (8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-3',11-dihydroxy-10,13,16-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-17,2'-oxet]-3(6H)-one

Synonym: Terazosin EP Impurity E

Smile: C[C@@]12[C@@]3(C(O)=CO3)[C@H](C)C[C@@]1([H])[C@]4([H])CCC5=CC(C=C[C@]5(C)[C@@]4(F)[C@@H](O)C2)=O