InChI=1/C17H20N4O4S3/c18-27(22,23)15-7-3-13(4-8-15)19-17(26)20-14-5-9-16(10-6-14)28(24,25)21-11-1-2-12-21/h3-10H,1-2,11-12H2,(H2,18,22,23)(H2,19,20,26)/f/h19-20H,18H2 15FF26AD9131718F