5-hydroxy-2,3,5,6-tetrahydro-7H-[1,3]thiazolo[3,2-a]pyrimidin-7-one 7H-thiazolo[3,2-a]pyrimidin-7-one, 2,3,5,6-tetrahydro-5-hydroxy- InChI=1/C6H8N2O2S/c9-4-3-5(10)8-1-2-11-6(8)7-4/h5,10H,1-3H