上游原料
1,1'-Carbonyldiimidazole; Di(1H-imidazol-1-yl)methanone; N,N-Carbonyldiimidazole; 1,1'-Carbonylbis(1H-imidazole)4-Chloro-4-oxobutyric acid methyl ester; 3-Carbomethosypropionyl chloride; Methyl 4-chloro-4-oxobutanoate2-[(methylamino)methyl]aniline; N-(2-aminobenzyl)-N-methylamine3-methyl-3,4-dihydro-2(1H)-quinazolinonemethyl 4-(3-methyl-2-oxo-1,2,3,4-tetrahydro-6-quinazolinyl)-4-oxobutanoate
