Complex sentence: When treated with potassium hydroxide or another strong base, and then catalytically hydrogenated, it becomes NHDC, a compound roughly 1500-1800 times sweeter than sugar at threshold concentrations; around 340 times sweeter than sugar weight-for-weight.
Split into simpler sentences: When treated with potassium hydroxide or another strong base, and then catalytically hydrogenated, it becomes NHDC. A compound roughly 1500-1800 times sweeter than sugar at threshold concentrations; around 340 times sweeter than sugar weight-for-weight.