上游原料
1-[(Chlorocarbonyl)oxy]ethane;ethyl carbonochloridate; Carbonchloridic acid ethyl ester;Ethyl chloroformate;Ethyl chlorocarbonateethyl 3-hydroxy-1,4-dioxo-1,4-dihydro-2-naphthalenecarboxylateethyl 4,5-diamino-2-methoxybenzoatediethyl 5-hydroxy-10-methoxybenzo[a]phenazine-6,9-dicarboxylatediethyl 5-hydroxy-9-methoxybenzo[a]phenazine-6,10-dicarboxylateethyl 6-([[2-(dimethylamino)ethyl]amino]carbonyl)-5-hydroxy-10-methoxybenzo[a]phenazine-9-carboxylateethyl 3-[(ethoxycarbonyl)oxy]-1,4-dioxo-1,4-dihydro-2-naphthalenecarboxylate
