上游原料
Ethyl isonipecotate; ethyl 4-piperidinecarboxylate1-bromo-2-chloroethaneethyl 1-(2-chloroethyl)piperidine-4-carboxylateethyl quinuclidine-4-carboxylate1-(tert-butyl) 4-ethyl-1,4-piperidinedicarboxylate; N-Boc-4-Carbethoxypiperidine1-tert-butyl 4-ethyl 4-(2-chloroethyl)piperidine-1,4-dicarboxylateethyl 4-(2-chloroethyl)piperidine-4-carboxylate hydrochloridePhenyllithiumdiphenyl(quinuclidin-4-yl)methanol;1-azabicyclo[2.2.2]oct-4-yl(diphenyl)methanol1-[(2-bromoethoxy)methyl]benzene; benzyl 2-bromoethyl ether
