InChI=1/C14H15NO5S/c15-21(17,18)20-10-5-6-13-11(7-10)12(16)8-14(19-13)9-3-1-2-4-9/h5-9H,1-4H2,(H2,15,17,18)/f/h15H2 E139B90AC71CD651