苯并二氢吡喃-2-甲酸乙酯;3,4-二氢-2H-香豆素-2-甲酸乙酯
2H-1-BENZOPYRAN-2-CARBOXYLIC ACID, 3,4-DIHYDRO-, ETHYL ESTER
2H-1-BENZOPYRAN-2-CARBOXYLIC ACID, 3,4-DIHYDRO-, ETHYL ESTER;ETHYL3,4-DIHYDRO-2H-CHROMENE-2-CARBOXYLATE;Ethyl chroman-2-carboxylate;2-Chromancarboxylic acid ethyl ester;2-Ethoxycarbonylchroman;Ethyl 2-chromancarboxylate
