InChI=1/C20H27N5O4/c21-18-15-19(25(11-22-15)20-17(28)16(27)13(10-26)29-20)24-14(23-18)9-5-4-8-12-6-2-1-3-7-12/h11-13,16-17,20,26-28H,1-4,6-8,10H2,(H2,21,23,24)/t13-,16-,17-,20-/m1/s1/f/h21H2 CBA17AF45B2E557B