Molecular Formula: C₁₅H₁₆O₂S

Chemical Name
(E)-2-(2-naphthylthiomethylene)-1,4-butanediol

Molecular Formula: C₁₅H₁₂O₂S

Chemical Name
(E)-3-(2-naphthylthiomethylene)dihydro-2(3H)-furanone

Molecular Formula: C₁₀H₁₄O₇

Chemical Name
1,1'-oxydi((E)-1-butene-4-hydroxy-2-carboxylic) acid

Molecular Formula: C₁₃H₁₉N₃O₃

Chemical Name
(E)-3-(5-cyclohexyloxy-1-triazolinomethylene)dihydro-2(3H)-furanone

Molecular Formula: C₁₆H₂₀O₇S

Chemical Name
(E)-1,4-diacetoxy-2-(4-toluenesulfonyloxymethylene)butane

Molecular Formula: C₁₂H₁₆O₅S

Chemical Name
(E)-2-(4-toluenesulfonyloxymethylene)-1,4-butanediol

Molecular Formula: C₁₂H₁₆O₅S

Chemical Name
(Z)-2-(4-toluenesulfonyloxymethylene)-1,4-butanediol

Molecular Formula: C₁₂H₁₄O₆S

Chemical Name
(Z)-2-(4-toluenesulfonyloxymethylene)-4-hydroxybutanoic acid

Molecular Formula: C₁₂H₁₄O₆S

Chemical Name
(E)-2-(4-toluenesulfonyloxymethylene)-4-hydroxybutanoic acid

Molecular Formula: C₁₁H₁₀O₅S

Chemical Name
(Z)-3-(benzenesulfonyloxymethylene)-2(3H)-dihydrofuranone

Molecular Formula: C₁₃H₁₂N₂O₄

Chemical Name
(4R*,5R*)-4-benzoyloxy-1,2-diaza-7-oxaspiro<4.4>non-2-en-6-one
(4R*,5R*)-4-benzoyloxy-1,2-diaza-7-oxaspiro[4.4]non-2-en-6-one

Molecular Formula: C₁₂H₁₂N₂O₅S

Chemical Name
(4R*,5R*)-4-benzenesulfonyloxy-1,2-diaza-7-oxaspiro<4.4>non-2-en-6-one
(4R*,5R*)-4-benzenesulfonyloxy-1,2-diaza-7-oxaspiro[4.4]non-2-en-6-one

Molecular Formula: C₁₃H₁₄N₂O₅S

Chemical Name
(4R*,5R*)-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro<4.4>non-1-en-6-one
(4R*,5R*)-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro[4.4]non-1-en-6-one

Molecular Formula: C₁₃H₁₄N₂O₅S

Chemical Name
(4R*,5R*)-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro<4.4>non-2-en-6-one
(4R*,5R*)-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro[4.4]non-2-en-6-one

Molecular Formula: C₁₃H₁₂N₂O₄

Chemical Name
(4R*,5R*)-4-benzoyloxy-1,2-diaza-7-oxaspiro<4.4>non-1-en-6-one
(4R*,5R*)-4-benzoyloxy-1,2-diaza-7-oxaspiro[4.4]non-1-en-6-one

Molecular Formula: C₁₃H₁₂N₂O₄

Chemical Name
(4R*,5S*)-4-benzoyloxy-1,2-diaza-7-oxaspiro<4.4>non-1-en-6-one
(4R*,5S*)-4-benzoyloxy-1,2-diaza-7-oxaspiro[4.4]non-1-en-6-one

Molecular Formula: C₁₄H₁₆N₂O₅S

Chemical Name
(4R*,5R*,8S*)-8-methyl-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro<4.4>non-1-en-6-one
(4R*,5R*,8S*)-8-methyl-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro[4.4]non-1-en-6-one

Molecular Formula: C₁₄H₁₆N₂O₅S

Chemical Name
(4R*,5R*,8R*)-8-methyl-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro<4.4>non-1-en-6-one
(4R*,5R*,8R*)-8-methyl-4-(p-toluenesulfonyloxy)-1,2-diaza-7-oxaspiro[4.4]non-1-en-6-one

Molecular Formula: C₁₈H₂₂O₅

Chemical Name
(E,Z)-3,3'-(oxydimethylidine)bis(trans-hexahydro-2(3H)-benzofuranone)

Molecular Formula: C₁₆H₁₄O₂S

Chemical Name
(Z)-3-(2-naphthylthiomethylene)tetrahydro-2H-pyran-2-one