InChI=1/C23H23N3O4/c1-14-10-15(18-8-3-4-9-20(18)25-14)13-30-17-7-5-6-16(11-17)23(22(28)24-2)12-19(23)21(27)26-29/h3-11,19,29H,12-13H2,1-2H3,(H,24,28)(H,26,27)/t19-,23-/m0/s1/f/h24,26H 6DF653177BCE8226