上游原料
4-phenyl-4-piperidinol; 4-Hydroxy-4-phenylpiperidine; 4-(4-Phenyl)-4-hydroxypiperidinemethyl 11-hydroxy-6,11-dihydrodibenzo[b,e]oxepine-2-carboxylatemethyl 11-chloro-6,11-dihydrodibenzo[b,e]oxepine-2-carboxylatemethyl 11-(4-hydroxy-4-phenyl-1-piperidinyl)-6,11-dihydrodibenzo[b,e]oxepine-2-carboxylate
