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I couldnt figure out what this meant: " It [1-Naphthylamine] can also be prepared, in the form of its acetyl derivative, by heating 1-naphthol with sodium acetate, ammonium chloride and acetic acid; by heating 1-naphthol with calcium chloride-ammonia to 270 °C; and by heating pyromucic acid, aniline, zinc chloride and lime to 300 °C."--Smokefoot (talk) 15:29, 6 April 2018 (UTC)[reply]