InChI=1/C20H29N3O4/c1-2-27-19(25)11-13-23(15-17-8-9-17)12-10-18(24)22-20(26)21-14-16-6-4-3-5-7-16/h3-7,17H,2,8-15H2,1H3,(H2,21,22,24,26)/p+1/fC20H30N3O4/h21-23H/q+1 467B5ED2A81D8BD2