2(3H)-furanone, 5-(1,3-dihydroxy-2-oxopropyl)dihydro- 5-(1,3-dihydroxy-2-oxopropyl)dihydrofuran-2(3H)-one InChI=1/C7H10O5/c8-3-4(9)7(11)5-1-2-6(10)12-5/h5,7-8,11H,1-3H