InChI=1/C14H14N2O3/c15-7-10-2-1-3-11(10)16-14(17)9-4-5-12-13(6-9)19-8-18-12/h4-6,10-11H,1-3,8H2,(H,16,17)/t10-,11+/m1/s1/f/h16H 70F04BBC5F828711