Synonyms: | 4-methyl-6,7,8,9-tetrahydro-2h-pyrano[3,2-g]quinolin-2-one;coumarin 339;2-g]quinolin-2-one,6,7,8,9-tetrahydro-4-methyl-2h-pyrano[;COUMARIN 339, LASER GRADE, 99;2H-Pyrano[3,2-g]quinolin-2-one, 6,7,8,9-tetrahydro-4-methyl-;4-methyl-6,7,8,9-tetrahydropyrano[3,2-g]quinolin-2-one |