InChI=1/C13H12N2O3/c14-8-10(13(15)16)7-9-3-1-4-11-12(9)18-6-2-5-17-11/h1,3-4,7H,2,5-6H2,(H2,15,16)/b10-7+/f/h15H2 A98D657BC0D78DB1