InChI=1/C19H23N5O3/c25-18(20-12-17-23-22-16-5-4-10-24(16)17)21-13-6-7-14-15(11-13)27-19(26-14)8-2-1-3-9-19/h6-7,11H,1-5,8-10,12H2,(H2,20,21,25)/f/h20-21H 6670C8579EC65C81