InChI=1/C20H32N4O3/c1-15(2)18(23-20(26)22-14-17-7-5-4-6-8-17)19(25)21-13-16(3)24-9-11-27-12-10-24/h4-8,15-16,18H,9-14H2,1-3H3,(H,21,25)(H2,22,23,26)/t16-,18-/m0/s1/f/h21-23H 8ACB2D8534AF5679