ETE54: Ethinylestradiol 4-Hydroxy Impurity

(8R,9S,13S,14S,17S)-17-Ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,4,17-triol ;

CAS # 50394-90-6 ;

C20H24O3 ;
Mol. Wt.: 312.4 ;