What's the plural form of furfurol? Here's the word you're looking for.
Answer
The noun furfurol can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be furfurol.
However, in more specific contexts, the plural form can also be furfurols e.g. in reference to various types of furfurols
or a collection of furfurols.