InChI=1/C21H23N3O3/c1-2-13-22-18-16-10-6-7-11-17(16)27-20(25)19(18)24-21(26)23-14-12-15-8-4-3-5-9-15/h3-11,22H,2,12-14H2,1H3,(H2,23,24,26)/f/h23-24H 2ED234ED71D81845