InChI=1/C14H18N2O6/c1-14(2,3)13(17)15-22-7-10-5-11(16(18)19)4-9-6-20-8-21-12(9)10/h4-5H,6-8H2,1-3H3,(H,15,17)/f/h15H BEF8CEA49D7D8AB4