Synonyms: (17|A)-17-ethynylestra-1(10),2,4-trien-17-ol;5688-47-1;NSC76975;AC1L5ORN;AC1Q282I;CHEMBL1627372;KST-1A6117;52-77-7;AR-1A0624;NSC-76975;(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol