InChI=1/C24H26N2O4/c1-4-30-24(29)20-13-18-17-10-5-6-11-19(17)25-21(18)22(26(20)23(28)14(2)3)15-8-7-9-16(27)12-15/h5-12,14,20,22,25,27H,4,13H2,1-3H3/t20-,22+/m0/s1 B1CCB2DC3DC1E62A