"Phthalide" is a word in ENGLISH

phthalide ENGLISH
Definition:

A lactone obtained by reduction of phthalyl chloride, as
a white crystalline substance; hence, by extension, any one of the
series of which phthalide proper is the type.

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lactam ENGLISH

One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol.

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lactone ENGLISH

One of a series of organic compounds, regarded as anhydrides of certain hydroxy acids. In general, they are colorless liquids, …

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lactonic ENGLISH

Pertaining to, or designating, an acid obtained by the oxidation of milk sugar (lactose).

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lactonic ENGLISH

Of, pertaining to, or derived from, lactone.

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saccharin ENGLISH

A bitter white crystalline substance obtained from the saccharinates and regarded as the lactone of saccharinic acid; -- so called …

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saccharone ENGLISH

A white crystalline substance, C6H8O6, obtained by the oxidation of saccharin, and regarded as the lactone of saccharonic acid.

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