InChI=1/C19H23N5O/c1-3-24-17-14(8-7-11-20-17)19(25)22(2)15-9-10-16(21-18(15)24)23-12-5-4-6-13-23/h7-11H,3-6,12-13H2,1-2H3 9E293F66E8565983