上游原料
2-Methoxyphenacyl bromide; 2-bromo-1-(4-methoxyphenyl)-1-ethanoneDimethyl acetylenedicarboxylate; Dimethyl 2-butynedioate;Acetylenedicarboxylic acid dimethyl ester2-propylpyridine1-[2-(4-methoxyphenyl)-2-oxoethyl]-2-propylpyridinium bromide4-(1-ethyl-2-indolizinyl)phenyl methyl ether; 1-ethyl-2-(4-methoxyphenyl)indolizinedimethyl 4-ethyl-3-(4-methoxyphenyl)pyrrolo[2,1,5-cd]indolizine-1,2-dicarboxylate4-ethyl-3-(4-methoxyphenyl)pyrrolo[2,1,5-cd]indolizine-1,2-dicarboxylic acid1-ethyl-2-(4-methoxyphenyl)pyrrolo[2,1,5-cd]indolizine; 4-(1-ethylpyrrolo[2,1,5-cd]indolizin-2-yl)phenyl methyl etherDimethyl acetylenedicarboxylate; Dimethyl 2-butynedioate;Acetylenedicarboxylic acid dimethyl ester1-[4-(benzyloxy)phenyl]-2-bromo-1-ethanone2-propylpyridine1-[2-[4-(benzyloxy)phenyl]-2-oxoethyl]-2-propylpyridinium bromidebenzyl 4-(1-ethyl-2-indolizinyl)phenyl ether; 2-[4-(benzyloxy)phenyl]-1-ethylindolizinedimethyl 3-[4-(benzyloxy)phenyl]-4-ethylpyrrolo[2,1,5-cd]indolizine-1,2-dicarboxylate3-[4-(benzyloxy)phenyl]-4-ethylpyrrolo[2,1,5-cd]indolizine-1,2-dicarboxylic acid2-[4-(benzyloxy)phenyl]-1-ethylpyrrolo[2,1,5-cd]indolizine; benzyl 4-(1-ethylpyrrolo[2,1,5-cd]indolizin-2-yl)phenyl ether