(8S,9S,10R,14S)-13-Ethyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one

This compound is a steroid pharmaceutical intermediate used in the synthesis of steroidal active pharmaceutical ingredients. It features a cyclopenta[a]phenanthrene core with an ethyl substituent and a methylidene group, and is characterized by high lipophilicity and low polarity.