InChI=1S/C16H21N3O9S/c17-7(16(27)28)1-4-11(22)19-8(15(26)18-5-12(23)24)6-29-14-10(21)3-2-9(20)13(14)25/h2-3,7-8,13-14,25H,1,4-6,17H2,(H,18,26)(H,19,22)(H,23,24)(H,27,28)