InChI=1/C19H18N6O3/c1-10-5-4-6-12-15(10)21-18-16(12)23-25-19(22-18)24-20-9-11-7-13(27-2)17(26)14(8-11)28-3/h4-9,18,26H,1-3H3,(H,22,24)/p+2/b20-9-/t18-/m1/s1/fC19H20N6O3/h21-22,25H/q+2/b FBF6D402A8DB5671