InChI=1S/C16H21N3O8S/c17-9(16(26)27)2-4-13(22)19-10(15(25)18-6-14(23)24)7-28-12-5-8(20)1-3-11(12)21/h1,3,5,9-10,20-21H,2,4,6-7,17H2,(H,18,25)(H,19,22)(H,23,24)(H,26,27)/p-1/t9-,10-/m0/s1