Phentolamine is a mater ia l of phenolic charac te r and reacts with 1-ni t roso-2-naphthol (with HNO3) forming a colored product . The indicated reagent, as we established, also forms colored products (various shades of red) with lemoran, bamethane sulfate, mezatone, sinestrol , and diethylst i lbestrol . Phentolamine, in cont ras t to the latter, forms… (More)
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