Synonyms: (5|A,17xi)-pregn-2-en-20-yn-17-yl pyridine-3-carboxylate;AC1L4SS7;KST-1A7319;60834-44-8;AR-1A6611;17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate;17alpha-Ethynyl-(5a)-androst-2-ene-17beta-ol-17beta-nicotinate;Pregn-2-en-20-yn-17-ol, 3-pyridinecarboxylate, (5alpha,17alpha)-;[(5S,8R,9S,10S,13S,14S)-17-ethynyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] pyridine-3-carboxylate