InChI=1/C18H21N5O3/c1-10-7-12-4-6-15(24)22-17(12)18(26)23(10)9-16(25)20-8-13-3-5-14(19)21-11(13)2/h3,5,7H,4,6,8-9H2,1-2H3,(H2,19,21)(H,20,25)(H,22,24)/p+1/fC18H22N5O3/h20-22H,19H2/q+1 741B2B8F6C95C3A7