InChI=1/C13H16N2O5S/c1-2-3-10-20-11-4-6-12(7-5-11)21(18,19)14-9-8-13(16)15-17/h4-7,14,17H,8-10H2,1H3,(H,15,16)/f/h15H 6B6A6D06EC4B6391