上游原料
bromo(phenyl)magnesium; Phenyl Magnesium Bromide4-methoxyphenolmethyl 1-methyl-1,2,5,6-tetrahydro-3-pyridinecarboxylatemethyl (3R,4S)-1-methyl-4-phenyl-3-piperidinecarboxylate[(3R,4S)-1-methyl-4-phenylpiperidinyl]methanol(3R,4S)-1-methyl-3-([[methyl(dimethylene)-lambda(6)-sulfanyl]oxy]methyl)-4-phenylpiperidine
