InChI=1/C19H25N3O4/c20-19(24)21-8-2-4-13(12-21)18(23)22-9-3-6-15(22)14-5-1-7-16-17(14)26-11-10-25-16/h1,5,7,13,15H,2-4,6,8-12H2,(H2,20,24)/t13-,15+/m0/s1/f/h20H2 F24894242403AD5A