InChI=1/C13H16N2O4S/c1-11(2)5-13(8(16)18-11)6-12(3,19-9(13)17)7-4-20-10(14)15-7/h4H,5-6H2,1-3H3,(H2,14,15)/t12-,13+/m1/s1/f/h14H2 B12348B32F396FFE