InChI=1/C18H19N5O3/c1-10-14(8-20-22-10)21-15(24)9-19-17(25)16-12-4-2-3-5-13(12)18(26)23(16)11-6-7-11/h2-5,8,11,16H,6-7,9H2,1H3,(H,19,25)(H,20,22)(H,21,24)/t16-/m1/s1/f/h19-21H 5344DCC4F6CB67F8