3,4-Trimethylenedioxybenzoic acid

3,4-dihydro-2h-1,5-benzodioxepin-7-carboxylic acid, 98% ; akos bc-1932 ; 2h-1,5-benzodioxepin-7-carboxylic acid, 3,4-dihydro- ; 3,4-dihydro-2h-1,5-benzodioxapin-7-carboxylic acid ; 3,4-dihydro-2h-1,5-benzodioxepin-2-carboxylic acid ; rarechem al be 1273 ; 2h-1,5-benzodioxepin-2-carboxyacid, 3,4-dihydro ; 3,4-trimethylenedioxybenzoic acid ; 3,4-dihydro-2h-1,5-benzodioxepine-7-carboxylic acid ; 2h-1,5-benzodioxepin-2-carboxylicacid,3,4-dihydro