InChI=1/C20H27N3O2/c1-15(19(24)22-20(25)21-18-9-5-6-10-18)23-13-11-17(12-14-23)16-7-3-2-4-8-16/h2-4,7-8,11,15,18H,5-6,9-10,12-14H2,1H3,(H2,21,22,24,25)/t15-/m1/s1/f/h21-22H DFF5FC75AFB8CE53