InChI=1/C23H23N3O5/c1-3-12-26(14-20(27)28)22(29)15(2)13-16-4-6-18(7-5-16)23(30)31-19-10-8-17(9-11-19)21(24)25/h3-11,13H,1,12,14H2,2H3,(H3,24,25)(H,27,28)/b15-13+/f/h24-25H2 D2C6D855E66D619D