InChI=1/C14H11N2O2/c17-13(11-7-3-1-4-8-11)14(16-18)15-12-9-5-2-6-10-12/h1-10H,(H-,15,16,17,18)/q-1/f/h18H/b16-14+ D4D3F786DDEF7DB5