InChI=1/C16H19N5O2S/c1-3-18-15(23)21-14(22)13(11-7-5-4-6-8-11)24-16-19-10(2)9-12(17)20-16/h4-9,13H,3H2,1-2H3,(H2,17,19,20)(H2,18,21,22,23)/t13-/m0/s1/f/h18,21H,17H2 1FE5C1E403CB31BE