InChI=1/C14H18N2O5S/c1-3-4-11-21-12-5-7-13(8-6-12)22(19,20)16(2)10-9-14(17)15-18/h5-8,18H,9-11H2,1-2H3,(H,15,17)/f/h15H 703AC2511B359B9E