InChI=1/C23H23N3O5/c1-14-10-16(18-4-2-3-5-20(18)24-14)11-31-17-8-6-15(7-9-17)22(27)25-21-13-30-12-19(21)23(28)26-29/h2-10,19,21,29H,11-13H2,1H3,(H,25,27)(H,26,28)/t19-,21+/m0/s1/f/h25-26H 681C29CD876D0715