1(3H)-Isobenzofuranone, 3-((2,3-dihydro-2-(hydroxymethyl)-1,4-benzodioxin-6-yl)amino)- 3-((2,3-Dihydro-2-(hydroxymethyl)-1,4-benzodioxin-6-yl)amino)-1(3H)-isobenzofuranone 64179-34-6