It should be noted that {HEAD ~ simple forms} of {TAIL ~ dye precursor}, namely substituted aminotriphenylacetonitriles have been used in acidic aqueous or organic solutions to determine accurately radiation absorbed dose by means of spectrophotometric measurement of color intensity 
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It should be noted that { HEAD ~ simple forms } of { TAIL ~ dye precursor } , namely substituted aminotriphenylacetonitriles have been used in acidic aqueous or organic solutions to determine accurately radiation absorbed dose by means of spectrophotometric measurement of color intensity
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