InChI=1/C18H16N2O2/c1-12(21)18-17(13-7-3-2-4-8-13)15-11-22-16-10-6-5-9-14(16)20(15)19-18/h2-10,15,17H,11H2,1H3/t15-,17+/m0/s1 9199AD134E132DD9