InChI=1/C20H24N2O6/c1-12-7-8-14(13(2)9-12)11-21(3)20(23)15-10-16(26-4)18(27-5)19(28-6)17(15)22(24)25/h7-10H,11H2,1-6H3 B5A022C577B2B5B7