Synonyms: Cyclopent[4,5]imidazo[2,1-b]purin-4(1H)-one,5,6a,7,8,9,9a-hexahydro-5-methyl-2-[[4-(trifluoromethyl)phenyl]methyl]-, cis-;(6aR,9aS)-rel-5,6a,7,8,9,9a-Hexahydro-5-methyl-2-[[4-(trifluoromethyl)phenyl]methyl]cyclopent[4,5]imidazo[2,1-b]purin-4(1H)-one;Sch 51866