InChI=1/C15H16N4O4S/c16-14(20)11-3-7-13(8-4-11)24(22,23)19-12-5-1-10(2-6-12)9-18-15(17)21/h1-8,19H,9H2,(H2,16,20)(H3,17,18,21)/f/h18H,16-17H2 D8860DF3D3271753