InChI=1/C24H23N3O4/c1-14-10-16(18-4-2-3-5-20(18)25-14)13-31-17-8-6-15(7-9-17)21-12-24(23(29)26-21)11-19(24)22(28)27-30/h2-10,19,21,30H,11-13H2,1H3,(H,26,29)(H,27,28)/t19-,21-,24-/m1/s1/f/h26-27H 51CB6DA1840A5240