InChI=1/C19H19N3O5S/c23-19(11-10-16-6-2-1-3-7-16)20-12-14-21(15-13-20)28(26,27)18-9-5-4-8-17(18)22(24)25/h1-11H,12-15H2/b11-10+ FA369B75BEABC1D9