004581: InChI=1.12Beta/C16H16N2O4S/c1-9(19)17-11-3-5-15(13(21)7-11)23-16-6-4-12(8-14(16)22)18-10(2)20/h1-2H3,3-8H,21-22H,(H,17,19)(H,18,20)