Synonyms: 7H-Furo[3,2-g][1]benzopyran-7-one,4-[(3-methyl-2-butenyl)oxy]- (8CI,9CI);Isoimperatorin (6CI);4-[(3-Methylbut-2-en-1-yl)oxy]-7H-furo[3,2-g]chromen-7-one;7H-Furo(3,2-g)(1)benzopyran-7-one, 4-((3-methyl-2-butenyl)oxy)-;7H-furo[3,2-g][1]benzopyran-7-one, 4-[(3-methyl-2-buten-1-yl)oxy]-;AC1Q6AY9;AC1L28ZP;