InChI=1/C19H31N3O4/c1-4-10-21(12-13-23)15-19(25)22(11-5-2)14-18(24)20-16-8-6-7-9-17(16)26-3/h6-9,23H,4-5,10-15H2,1-3H3,(H,20,24)/p+1/fC19H32N3O4/h20-21H/q+1 2B3C224B7E3CD2B8