InChI=1/C18H20N4O2/c19-5-2-6-22-15-11-17-16(23-7-8-24-17)10-14(15)21-18(22)12-3-1-4-13(20)9-12/h1,3-4,9-11H,2,5-8,19-20H2/p+1/fC18H21N4O2/h19H/q+1 337AF1855E555998