InChI=1/C12H12N2O3/c1-6-4-8(6)11(15)13-7-2-3-10-9(5-7)14-12(16)17-10/h2-3,5-6,8H,4H2,1H3,(H,13,15)(H,14,16)/t6-,8-/m0/s1/f/h13-14H 9E36B7BEEDC5C9F9