2,3-Dihydro-3-(hydroxymethyl)-5H-1,4-benzodioxepin-5-one 22891-54-9 5-19-05-00508 (Beilstein Handbook Reference) 5H-1,4-BENZODIOXEPIN-5-ONE, 2,3-DIHYDRO-3-(HYDROXYMETHYL)- BRN 1427972