(14BS)-2-[2-(N-Methylamino)ethyl]-1,2,3,4,10,14b-hexahydrodibenzo[c,f]pyrazino[1,2-a]azepine 、
2-(3-pyridyl)thiazolidine-4-carboxylic acid 以84%的产率得到(4R)-N-{2-[(14BS)-1,2,3,4,10,14b-Hexahydrodibenzo[c,f]pyrazino[1,2-a]azepin-2-yl)ethyl]-N-methyl-2-(pyridin-3-yl)thiazolidine-4-carboxamide