InChI=1/C14H14N2O3/c17-10-5-6-16(8-10)13-11-4-2-1-3-9(11)7-12(15-13)14(18)19/h1-4,7,10,17H,5-6,8H2,(H,18,19)/t10-/m1/s1/f/h15H B9B5F7FCCA85B270