InChI=1/C20H25N3O3/c1-14-4-5-19(26-14)18(23-7-9-25-10-8-23)13-22-20(24)17-11-16(17)15-3-2-6-21-12-15/h2-6,12,16-18H,7-11,13H2,1H3,(H,22,24)/t16-,17-,18+/m1/s1/f/h22H E3C2FEF5F8CCCBE3