InChI=1S/C27H33N3O8/c1-15(2)13-20-26(22(32)27(35)24(34)28-11-6-7-18(28)21(31)30(20)27)17-9-8-16(37-5)14-19(17)29(23(26)33)12-10-25(3,4)38-36/h8-10,12-14,18,20,22,32,35-36H,6-7,11H2,1-5H3/b12-10+/t18-,20-,22-,26-,27+/m0/s1