InChI=1S/C22H28N2O6/c1-14(5-11-19(25)23-18(22(29)30)10-12-20(26)27)13-15(2)21(28)16-6-8-17(9-7-16)24(3)4/h5-9,11,13,15,18H,10,12H2,1-4H3,(H,23,25)(H,26,27)(H,29,30)/b11-5+,14-13+/t15-,18+/m1/s1