英文别名:
KETOBISNORALDEHYDE;BISNORCHOLENALDEHYDE;3-KETO-4-PREGNENE-20-BETA-CARBOXALDEHYDE;4-PREGNEN-20BETA-CARBOXALDEHYDE-3-ONE;4-PREGNEN-3-ONE-20-BETA-CARBOXALDEHYDE;Progesterone EP Impurity I;Progesterone Impurity 7;Progesterone EP Impurity I (S-isomer)