InChI=1S/C20H29N5O4/c1-29-19(27)13-4-6-14(7-5-13)24-20(28)22-12-15-8-9-17(23-15)18(26)25-10-2-3-16(25)11-21/h4-7,15-17,23H,2-3,8-12,21H2,1H3,(H2,22,24,28)/t15-,16+,17+/m1/s1