上游原料
Benzoyl chlorideEthyl isonipecotate; ethyl 4-piperidinecarboxylateethyl 1-benzoyl-4-piperidinecarboxylate[4-(hydroxymethyl)-1-piperidinyl](phenyl)methanone[4-(chloromethyl)-1-piperidinyl](phenyl)methanone(4-methylene-1-piperidinyl)(phenyl)methanone4-methylenepiperidine1-[[(2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiranyl]methyl]-1H-1,2,4-triazole