InChI=1/C11H13NO7S/c13-4-7-3-8(12(15)16)1-2-10(7)19-11-6-20(17,18)5-9(11)14/h1-3,9,11,13-14H,4-6H2/t9-,11+/m0/s1 3FB91C6368AECEBB