InChI=1/C14H20N4O3S/c1-20-11-8-10-13(9-12(11)21-2)22(3,19)17-14(16-10)18-6-4-15-5-7-18/h8-9,15H,4-7H2,1-3H3/p+3/t22-/m1/s1/fC14H23N4O3S/h15-17H/q+3 987D40DB9DBA4531