How to pronounce“parahydroxybenzoic”in English

But you can do the same trick with parahydroxybenzoic acid, and you get the same phenol, not a different one.

And the names of these things are salicylic acid, which I just showed you, hydroxybenzoic acid, and parahydroxybenzoic acid.

So the conclusion is the difference among the three isomers that are known -- salicylic, hydroxybenzoic acid, parahydroxybenzoic -- is not where the OH is,