InChI=1S/C19H25N3O4/c1-2-3-7-14(12-21(25)13-23)19(24)22-11-6-9-16(22)18-20-15-8-4-5-10-17(15)26-18/h4-5,8,10,13-14,16,25H,2-3,6-7,9,11-12H2,1H3/t14-,16+/m1/s1