上游原料
diethyl carbonate; diethylcarbonate2-Bromo-N,N-dibutylacetamide; N,N-Dibutylbromoacetamidenitromethane3-Fluoro-p-toluic acid; 3-Fluoro-4-methylbenzoic acidethyl propionateethyl 3-(3-fluoro-4-methylphenyl)-3-oxopropanoate1-(3-fluoro-4-methylphenyl)-1-ethanone5-[(E)-2-nitroethenyl]-2,3-dihydro-1-benzofuran2,3-Dihydrobenzo[b]furan-5-carboxaldehydemethyl 3-(2,3-dihydro-1-benzofuran-5-yl)-2-(3-fluoro-4-methylbenzoyl)-4-nitrobutanoatemethyl 4-(2,3-dihydro-1-benzofuran-5-yl)-2-(3-fluoro-4-methylphenyl)-3-pyrrolidinecarboxylatemethyl (2R,3R,4S)-4-(1,3-benzodioxol-5-yl)-2-(3-fluoro-4-methylphenyl)-3-pyrrolidinecarboxylate(2R,3R,4S)-4-(1,3-benzodioxol-5-yl)-1-(tert-butoxycarbonyl)-2-(3-fluoro-4-methylphenyl)-3-pyrrolidinecarboxylic acidethyl (2R,3R,4S)-4-(1,3-benzodioxol-5-yl)-2-(3-fluoro-4-methylphenyl)-3-pyrrolidinecarboxylateethyl (2R,3R,4S)-4-(1,3-benzodioxol-5-yl)-1-[2-(dibutylamino)-2-oxoethyl]-2-(3-fluoro-4-methylphenyl)-3-pyrrolidinecarboxylate
