{[(5,5-dimethyl-2-phenyl-1,3-dioxan-2-yl)methyl]thio}acetic acid

ethyl {[(5,5-dimethyl-2-phenyl-1,3-dioxan-2-yl)methyl]thio}acetate

(4S)-3-({[(5,5-dimethyl-2-phenyl-1,3-dioxan-2-yl)methyl]thio}acetyl)-4-phenyl-1,3-oxazolidin-2-one

[4-((2R,3R)-3-{[(5,5-dimethyl-2-phenyl-1,3-dioxan-2-yl)methyl]thio}-4-oxo-1-phenylazetidin-2-yl)phenoxy]acetic acid

ethyl [4-((2R,3R)-3-{[(5,5-dimethyl-2-phenyl-1,3-dioxan-2-yl)methyl]thio}-4-oxo-1-phenylazetidin-2-yl)phenoxy]acetate