InChI=1/C12H19N5O2S2/c1-8-4-3-5-9(2)17(8)21(18,19)11-10(15-13)14-12-16(11)6-7-20-12/h6-9,15H,3-5,13H2,1-2H3/t8-,9+ D8E9597A1FEAD3B9