InChI=1/C18H25N3O4/c1-10-14-12(22)8-18(2,3)9-13(14)25-15(10)16(23)20-21-17(24)19-11-6-4-5-7-11/h11H,4-9H2,1-3H3,(H,20,23)(H2,19,21,24)/f/h19-21H 81A26747858C7FF2