153804-44-5 2-Oxazolidinone, 5-(((3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy)methyl)- 5-(((3,4-Dihydro-2H-1-benzothiopyran-8-yl)oxy)methyl)-2-oxazolidinone 8-(((2-Oxooxazolidin-5-yl)methyl)oxy)thiochroman