InChI=1/C18H20N4O3S/c1-10(2)21-7-6-13-14(9-21)26-18-15(13)17(23)19-16(20-18)11-4-3-5-12(8-11)22(24)25/h3-5,8,10,16,20H,6-7,9H2,1-2H3,(H,19,23)/p+1/t16-/m1/s1/fC18H21N4O3S/h21,23H/q+1 E715C7E5FE957ADD