InChI=1/C17H16N2O4S/c1-11-4-3-5-14(10-11)19-16(12(2)23-17(19)20)13-6-8-15(9-7-13)24(18,21)22/h3-10H,1-2H3,(H2,18,21,22)/f/h18H2 ED4B5F0095E39A72