InChI=1/C23H23N3O4/c1-14-9-17(18-7-2-3-8-20(18)24-14)11-15-5-4-6-16(10-15)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 B87946D671EA6EA6