InChI=1/C15H16N2O4S/c1-3-21-11-6-4-10(5-7-11)17-14(20)12(8-13(18)19)9(2)16-15(17)22/h4-7H,3,8H2,1-2H3,(H,16,22)(H,18,19)/p-1/fC15H15N2O4S/h16H/q-1 EE2B9E2C839EEBF6