InChI=1S/C25H38N4O3/c1-16(26-5)22(30)28-21(25(2,3)4)24(32)29-15-9-14-20(29)23(31)27-19-13-8-11-17-10-6-7-12-18(17)19/h6-7,10,12,16,19-21,26H,8-9,11,13-15H2,1-5H3,(H,27,31)(H,28,30)/t16-,19+,20-,21+/m0/s1