InChI=1/C20H27N3O4/c1-15(2)21-20(25)17-8-4-5-9-18(17)22-19(24)14-23(10-12-26-3)13-16-7-6-11-27-16/h4-9,11,15H,10,12-14H2,1-3H3,(H,21,25)(H,22,24)/p+1/fC20H28N3O4/h21-23H/q+1 5B1F35FEC400675D