InChI=1/C18H15N3O6/c19-6-12-15(9-2-1-3-10(4-9)25-8-14(20)24)17-16(27-18(12)21)13(23)5-11(7-22)26-17/h1-5,15,22H,7-8,21H2,(H2,20,24)/t15-/m1/s1/f/h20H2 F0C0B70F2C6E6119