Hot (pressure) sensitive dye
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JYDR-4
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one,2'-chloro-6'-(diethylamino)
Synonyms：PSD-HR; 2-Chloro-6-(diethylamino)-fluoran;
CAS No： 26567-23-7
Molecular formula： C24H20ClNO3
Molecular weight： 405.87
Molecular_Structure：
