英文别名4-OXO-3,4-DIHYDRO-PHTHALAZINE-1-CARBOXYLIC ACID METHYL ESTER; methyl 4-oxo-3H-phthalazine-1-carboxylate; 4-keto-3H-phthalazine-1-carboxylic acid methyl ester; 4-oxo-3H-phthalazine-1-carboxylic acid methyl ester; Methyl 4-hydroxyphthalazine-1-carboxylate; 1-Phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-, methyl ester; methyl 4-oxo-3-hydrophthalazinecarboxylate; 4-Oxo-3,4-dihydro-phthalazin-1-carbonsaeure-methylester 
