InChI=1/C19H23N5O/c1-11-7-8-16-15(9-11)13-5-4-6-14(17(13)22-16)19(25)21-12(2)18-23-20-10-24(18)3/h4-6,10-12,22H,7-9H2,1-3H3,(H,21,25)/t11-,12+/m0/s1/f/h21H F70A906641FB8693