108097-77-4 3H-Pyrano(4,3-c)isoxazole-4-carboxylic acid, 6,7-dihydro-6,6-dimethyl- 6,7-Dihydro-6,6-dimethyl-3H-pyrano(4,3-c)isoxazole-4-carboxylic acid Acide dimethyl-9,9 (4,8,9H)-isoxazolino(3,4-c)pyranne carboxylique-2 [French]