Webster's Revised Unabridged Dictionary · 1913

Saccharone

Saccharone , noun

[Saccharin + lactone.]

(a)
(Chemistry) A white crystalline substance, C6H8O6, obtained by the oxidation of saccharin, and regarded as the lactone of saccharonic acid.
(b)
(Chemistry) An oily liquid, C6H10O2, obtained by the reduction of saccharin.