上游原料
p-Chlorobenzoyl chloride; 4-Chlorobenzoyl chlorideBenzocaine; ethyl 4-aminobenzoateN-(4-Bromobutyl)phthalimide; 2-(4-Bromobutyl)-1H-isoindole-1,3(2H)-dione4-piperidinone3-Ethyl phenol; m-Ethyl phenol5-ethyl-2-(1,2,3,6-tetrahydro-4-pyridinyl)phenol2-(1-acetyl-1,2,3,6-tetrahydro-4-pyridinyl)-5-ethylphenyl acetate1-[4-(4-ethyl-2-hydroxyphenyl)-3,6-dihydro-1(2H)-pyridinyl]-1-ethanone1-[4-(4-ethyl-2-hydroxyphenyl)-1-piperidinyl]-1-ethanone1-[4-(2-ethoxy-4-ethylphenyl)-1-piperidinyl]-1-ethanone4-(2-ethoxy-4-ethylphenyl)piperidine; ethyl 5-ethyl-2-(4-piperidinyl)phenyl ether2-{4-[4-(2-ethoxy-4-ethylphenyl)-1-piperidinyl]butyl}-1H-isoindole-1,3(2H)-dione4-[4-(2-ethoxy-4-ethylphenyl)-1-piperidinyl]-1-butanamine; 4-[4-(2-ethoxy-4-ethylphenyl)-1-piperidinyl]butylamine4-[(4-chlorobenzoyl)amino]benzoic acidEthyl 4-(4-chlorobenzamido)benzoate
