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4-Ethynyl-benzoic acid methyl ester

4-Ethynylbenzoic acid sodium salt

4-Ethynylbenzonitrile

4-Ethynylbenzyl alcohol

4-Ethynyl-phenol

4-Ethynylphthalic anhydride

4-Ethynylpyridine

4-Ethynylpyridine hydrochloride

4-Fluorenecarboxylic acid

4-Fluoro benzylamine hydrochloride