InChI=1/C20H23N3O4/c1-10(24)16-14-15(18(26)23(17(14)25)11-6-2-3-7-11)20(22-16)12-8-4-5-9-13(12)21-19(20)27/h4-5,8-11,14-16,22,24H,2-3,6-7H2,1H3,(H,21,27)/t10-,14+,15+,16+,20-/m0/s1/f/h21H 7556D66094FA96E3