InChI=1/C21H29N3O4/c1-14(2)24(3)16-9-7-8-15(10-16)23-21(25)22-13-18-19(27-5)11-17(26-4)12-20(18)28-6/h7-12,14H,13H2,1-6H3,(H2,22,23,25)/f/h22-23H 7A4BCAB504E63DA7