InChI=1/C23H23N3O4/c1-16(23(27)25-20-10-6-7-11-21(20)26(28)29)24-22(17-8-4-3-5-9-17)18-12-14-19(30-2)15-13-18/h3-16,22,24H,1-2H3,(H,25,27)/t16-,22-/m1/s1/f/h25H 899EA7874D6D9FA9