(2011/12/14)
(6aR,9aS)-5,6a,7,8,9,9a-hexahydro-5-methyl-2-(4-(1H-pyrazol-1-yl)benzyl)-cyclopent[4,5]imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(2H)-one
(6aR,9aS)-5,6a,7,8,9,9a-hexahydro-3-chloro-5-methyl-2-(4-(1H-pyrazol-1-yl)benzyl)cyclopent[4,5]imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(2H)-one
(6aR,9aS)-5,6a,7,8,9,9a-hexahydro-5-methyl-3-phenoxy-2-(4-(1H-pyrazol-1-yl)benzyl)cyclopent[4,5]imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(2H)-one