InChI=1/C16H23N3O4/c20-14(19-23)11-7-2-1-3-8-12-17-16(22)18-15(21)13-9-5-4-6-10-13/h4-6,9-10,23H,1-3,7-8,11-12H2,(H,19,20)(H2,17,18,21,22)/f/h17-19H 6DAD70F53DD5ECDF