InChI=1/C24H21N3O4/c28-24(16-31-23-13-7-6-12-22(23)27(29)30)26-14-19(17-8-2-1-3-9-17)20-15-25-21-11-5-4-10-18(20)21/h1-13,15,19,25H,14,16H2,(H,26,28)/t19-/m1/s1/f/h26H 1BE44D246104109C