8-(1,2-dimethyl-heptyl)-5,5-dimethyl-1,2,3,5-tetrahydro-1,4-ethano-chromeno[3,4-b]pyridin-10-ol 、
4-哌啶-1-丁酸盐酸盐 生成 5,5-dimethyl-1,4-ethano-8-(3-methyl-2-octyl)-10-[4-(piperidino)butyryloxy]-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-b]pyridine dihydrochloride