InChI=1/C18H20N4O2/c19-10-13-3-6-16(7-4-13)24-12-14-5-8-17(21-14)18(23)22-9-1-2-15(22)11-20/h3-4,6-7,14-15,17,21H,1-2,5,8-9,12H2/p+1/t14-,15+,17+/m1/s1/fC18H21N4O2/h21H/q+1 9A807C3C5494F236