InChI=1/C15H14N2O4S/c1-11-10-16(13-7-3-2-6-12(11)13)22(20,21)15-9-5-4-8-14(15)17(18)19/h2-9,11H,10H2,1H3/t11-/m1/s1 F5401B742C6039CE