InChI=1/C16H21N3O4S/c1-9-13(20)19(14(24)17-9)10-6-7-12(22-5)11(8-10)18-15(21)23-16(2,3)4/h6-9H,1-5H3,(H,17,24)(H,18,21)/t9-/m1/s1/f/h17-18H 97E345C940F5A91E