英文别名
(R)-7,7-dimethyl-4-phenyl-4,6,7,8-tetrahydro-3H-chromene-2,5-dione;(4R)-7,7-dimethyl-4-phenyl-4,6,7,8-tetrahydro-2H-chromene-2,5(3H)-dione;7,7-dimethyl-4-phenyl-4,6,7,8-tetrahydro-2H-chromene-2,5(3H)-dione;(4R)-7,7-dimethyl-4-phenyl-3,4,6,8-tetrahydrochromene-2,5-dione