InChI=1/C19H18N6/c1-3-7-12(8-4-1)24-18-15-11-14(16(18)20-22-24)17-19(15)25(23-21-17)13-9-5-2-6-10-13/h1-10,14-19H,11H2/t14?,15?,16-,17-,18+,19+/m1/s1 4A3847B02A14923A