上游原料
naphthalene-2,6-dicarboxylic acid6-(diethylcarbamoyl)naphthalene-2-carboxylic acid(6-((diethylamino)methyl)naphthalen-2-yl)methanol1-([[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]oxy)-2,5-pyrrolidinedionep-aminobenzoic acid; 4-aminobenzoic acid4-[[6-(diethylaminomethyl)naphthalen-2-yl]methoxycarbonylamino]benzoic acid[6-(diethylaminomethyl)naphthalen-2-yl]methyl N-(4-carbonochloridoylphenyl)carbamate
