InChI=1/C20H27N3O5/c1-26-12-9-23(10-13-27-2)15-19(24)22-18-8-4-3-7-17(18)20(25)21-14-16-6-5-11-28-16/h3-8,11H,9-10,12-15H2,1-2H3,(H,21,25)(H,22,24)/p+1/fC20H28N3O5/h21-23H/q+1 493C8016B7D9A474