InChI=1/C14H21N3O4/c1-10(2)7-16(9-14(15)18)8-11-4-5-13(21-3)12(6-11)17(19)20/h4-6,10H,7-9H2,1-3H3,(H2,15,18)/f/h15H2 287A3F7F56925A87