InChI=1/C20H29N3O4/c1-3-16-7-5-6-8-17(16)22-18(24)11-21-19(25)13-23(12-15-9-10-15)14-20(26)27-4-2/h5-8,15H,3-4,9-14H2,1-2H3,(H,21,25)(H,22,24)/p+1/fC20H30N3O4/h21-23H/q+1 BE70CF748B69C3F5