上游原料
Imidazole; 1H-Imidazole2-[1-Methyl-5-(4-methylbenzoyl)-1H-pyrrol-2-yl]acetic acid1,1'-Carbonyldiimidazole; Di(1H-imidazol-1-yl)methanone; N,N-Carbonyldiimidazole; 1,1'-Carbonylbis(1H-imidazole)1-(1H-Imidazol-1-yl)-2-[1-methyl-5-(4-methylbenzoyl)-1H-pyrrol-2-yl]-1-ethanone7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione; 7-(2-Hydroxy-ethyl)-1,3-dimethyl-3,7-dihydro-purine-2,6-dione
