Synonyms: 7-Acetonyl-6-oxo-6H,7H-1-benzopyrano(4,3-b)-1-benzopyran;6H,7H-(1)Benzopyrano(4,3-b)(1)benzopyran-6-one, 7-(2-oxopropyl)-;7-(2-Oxopropyl)-6H,7H-(1)benzopyrano(4,3-b)(1)benzopyran-6-one;AC1MILAO;LS-39360;7-(2-oxopropyl)-7H-chromeno[3,2-c]chromen-6-one;63326-88-5