InChI=1/C18H15N3O3/c22-18-19-16(12-5-3-6-13(10-12)21(23)24)15-9-8-11-4-1-2-7-14(11)17(15)20-18/h1-7,10,16H,8-9H2,(H2,19,20,22)/t16-/m1/s1/f/h19-20H D4133DB57D50B40E