上游原料
Diethyl ethoxymethylenemalonate; Diethyl 2-(ethoxymethylene)malonateBenzamidine; benzenecarboximidamideethyl 6-oxo-2-phenyl-1,6-dihydro-5-pyrimidinecarboxylateethyl 4-chloro-2-phenyl-5-pyrimidinecarboxylate2-amino-N-benzyl-N-ethylacetamideethyl 4-([2-[benzyl(ethyl)amino]-2-oxoethyl]amino)-2-phenyl-5-pyrimidinecarboxylate4-([2-[benzyl(ethyl)amino]-2-oxoethyl]amino)-2-phenyl-5-pyrimidinecarboxylic acidN-benzyl-N-ethyl-2-(8-oxo-2-phenyl-7,8-dihydro-9H-purin-9-yl)acetamide
