(1S)-1,4-anhydro-1-[5-(methylthio)-7-oxo-6,7-dihydroisothiazolo[4,5-d]pyrimidin-3-yl]-D-ribitol D-ribitol, 1,4-anhydro-1-C-[6,7-dihydro-5-(methylthio)-7-oxoisothiazolo[4,5-d]pyrimidin-3-yl]-, (1S)- InChI=1/C11H13N3O5S2/c1-20-11-12-5-4(14-21-9(5)10(18)13-11)8-7(17)6(16)3(2-15)19-8/h3,6-8,15-17H,2H2,1H3,(H,12,13,18)/t3-,6-,7-,8+/m1/s