四氢-吡嗪-1-羧酸叔丁酯

1,2,3,4,6,7,8,9-八氢哒嗪并[1,2-a]哒嗪

hexahydro-pyrazolo[1,2-a]pyridazine

2-methyl-1-[2-(2-methylpropanoyl)diazinan-1-yl]propan-1-one

3,4,5,6-tetrahydropyridazine