2H,5H-Pyrano[3,4-c][1]benzopyran-5-one,1,4-dihydro- (8CI,9CI); 2H-Pyran-3-carboxylic acid, 5,6-dihydro-4-(2-hydroxyphenyl)-,d-lactone; Pyranocoumarin; a-Pyrano[3',4':3,4]coumarin
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