InChI=1/C20H28N4O3/c1-4-24(18-10-6-5-8-15(18)2)12-11-21-20(26)23-16(3)19(25)22-14-17-9-7-13-27-17/h5-10,13,16H,4,11-12,14H2,1-3H3,(H,22,25)(H2,21,23,26)/t16-/m0/s1/f/h21-23H 90C2FDBC6E408BCF