InChI=1/C18H25N3O5/c1-25-12-9-14-13(16(10-12)26-2)11-15(20-14)18(23)19-8-6-4-3-5-7-17(22)21-24/h9-11,20,24H,3-8H2,1-2H3,(H,19,23)(H,21,22)/f/h19,21H 4019CB4E2F855529