上游原料
4-Piperidinol; 4-Hydroxypiperidine4-Chloro-1-[4-(1,1-dimethylethyl)phenyl]-1-butanone; 1-[4-(tert-Butyl)phenyl]-4-chloro-1-butanone; 4'-tert-Butyl-4-chlorobutyrophenone1-[4-(tert-Butyl)phenyl]-4-(4-hydroxypiperidino)-1-butanoneBromodiphenylmethane; 1-[Bromo(phenyl)methyl]benzene; Benzhydrylbromideethyl 4-(benzhydryloxy)tetrahydro-1(2H)-pyridinecarboxylate4-(Benzhydryloxy)piperidine; Benzhydryl 4-piperidinyl ether
