InChI=1/C21H29N3O3/c25-20(15-4-2-1-3-5-15)24-11-8-17(9-12-24)22-21(26)23-18-6-7-19-16(14-18)10-13-27-19/h6-7,14-15,17H,1-5,8-13H2,(H2,22,23,26)/f/h22-23H A1E2817ED8A371A6