KnowraPhthalic acidLinked fromLinked fromThe 3 pages that link to Phthalic acid, each with the reason it gives.All 3Broader topic 1Compared with 2Phthalic anhydrideCompared with: It is the hydrolyzed acid form, whereas phthalic anhydride is the dehydrated cyclic form.Terephthalic acidCompared with: Its adjacent groups contrast with terephthalic acid’s opposite, para-positioned groups.Arene substitution patternBroader topic: Its adjacent groups exemplify the ortho arrangement in a useful industrial compound.