Synonyms: U 75412E;AC1O5PMW;U75412E;U-75412E;(Z)-but-2-enedioic acid; (8S,10S,13S,14S,16R,17S)-17-[2-[4-[3-(ethylamino)pyridin-2-yl]piperazin-1-yl]acetyl]-10,13,16-trimethyl-6,7,8,12,14,15,16,17-octahydrocyclopenta[a]phenanthren-3-one;130590-09-9;Pregna-1,4,9(11)-triene-3,20-dione, 21-(4-(3-(ethylamino)-2-pyridinyl)-1-piperazinyl)-16-methyl-, (16alpha)-, (Z)-2-butenedioate (1:1)