InChI=1/C17H20N2O4/c1-10-9-13(12(3)23-10)11(2)18-17(20)19-14-5-4-6-15-16(14)22-8-7-21-15/h4-6,9,11H,7-8H2,1-3H3,(H2,18,19,20)/t11-/m1/s1/f/h18-19H	57F2D137CC445192