InChI=1/C20H24N2O6/c1-11-15(18(23)27-6)17(13-8-7-9-14(10-13)22(25)26)16(12(2)21-11)19(24)28-20(3,4)5/h7-10,17,21H,1-6H3/t17-/m1/s1 9D3C6680AB69C29D