InChI=1/C20H23N3O3/c1-5-6-7-23-17(16(12(2)3)19(25)22-20(23)26)18(24)15-9-13(4)8-14(10-15)11-21/h8-10,12H,5-7H2,1-4H3,(H,22,25,26)/f/h22H FCEC5FEC76606348