p. 235 - 237
(2007/10/02)p. 1159 - 1162
(2007/10/02)2-cyclohexanecarbonyl-1,2,3,6,7,11b-hexahydro-pyrazino[2,1-a]isoquinolin-4-one
4-oxocyclohexanecarboxylic acid
4-oxocyclohexane carboxylic acid chloride
4-carbomethoxycyclohexanone
2-(4-oxocyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino<2,1-a>isoquinolin-4-one