(6-Chloro-pyrazolo[1,5-a]pyrimidin-2-yl)-(1-methyl-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazin-2-yl)-methanone 生成 (R)-(6-chloro-pyrazolo[1,5-a]pyrimidin-2-yl)-(1-methyl-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazin-2-yl)-methanone 、 (S)-(6-chloro-pyrazolo[1,5-a]pyrimidin-2-yl)-(1-methyl-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazin-2-yl)-methanone