InChI=1/C20H19NO6/c1-21-6-5-10-7-15(25-2)13(22)8-12(10)20(21)18(23)11-3-4-14-17(27-9-26-14)16(11)19(20)24/h3-4,7-8,19,22,24H,5-6,9H2,1-2H3/t19-,20-/m0/s1 78AD30909DA11AA1