Synonyms: Trilazad mesylate;Desmethyl tirilazad;16-Desmethyltirilazid;U74389F;U 74389F;U 74389G;U-74389F;u-74389g;U 74389;U-74389;21-(4-(2,6-di-1-Pyrrolidinyl-4-pyrimidinyl)-1-piperazinyl)-pregna-1,4,9(11)-triene-3,20-dione monomethanesulfonate;Pregna-1,4,9(11)-triene-3,20-dione, 21-(4-(2,6-di-1-pyrrolidinyl-4-pyrimidinyl)-1-piperazinyl)-, monomethanesulfonate;AC1L2XQT;C37H50N6O2.CH4O3S;LS-172159;(8S,10S,13S,14S,17S)-17-[2-[4-(2,6-dipyrrolidin-1-ylpyrimidin-4-yl)piperazin-1-yl]acetyl]-10,13-dimethyl-6,7,8,12,14,15,16,17-octahydrocyclopenta[a]phenanthren-3-one; methanesulfonic acid;111668-89-4;21-(4-(2,6-di-1-pyrrolidinyl-4- pyrimidinyl)-1-piperazinyl)-pregna-1,4,9(11)-triene-3,20-dione monomethanesulfonate