InChI=1/C21H25N3O3/c1-21(2)12-15-16(13-27-21)18(14-6-4-3-5-7-14)23-20(17(15)19(22)25)24-8-10-26-11-9-24/h3-7H,8-13H2,1-2H3,(H2,22,25)/f/h22H2 471240152FC6DC15