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Ethinylestradiol EP Impurity B
Cat No.:D-E041002
Synonyms:(8S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
CAS No.:1231-96-5
Molecular Formula:C20H22O2
Molecular Weight:294.39
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