InChI=1/C20H27N5O3/c26-18(15-5-4-11-24(14-15)20(28)23-9-1-2-10-23)22-16-6-3-7-17(13-16)25-12-8-21-19(25)27/h3,6-7,13,15H,1-2,4-5,8-12,14H2,(H,21,27)(H,22,26)/t15-/m0/s1/f/h21-22H 74AF6D7B77041A03