864848-32-8

10-((z)-(3,4-dimethoxy-5-oxofuran-2(5h)-ylidene)methyl)-3,4-dimethoxy-1-oxaspiro[4.5]deca-3,6-dien-2-one (en)1-oxaspiro[4.5]deca-3,6-dien-2-one, 10-[(3,4-dimethoxy-5-oxo-2(5h)-furanylidene)methyl]-3,4-dimethoxy- (en)