InChI=1/C13H18N2O4S/c1-9-10(2)15(8-7-14-9)20(18,19)12-5-3-11(4-6-12)13(16)17/h3-6,9-10,14H,7-8H2,1-2H3,(H,16,17)/t9-,10+/m0/s1/f/h14H B1F5FB22AD903468