InChI=1/C18H21N5O2S/c24-26(25)17-7-2-1-6-16(17)20-18(21-26)14-23-11-9-22(10-12-23)13-15-5-3-4-8-19-15/h1-8H,9-14H2,(H,20,21)/p+1/fC18H22N5O2S/h20,22H/q+1 915113504E2F1BBB