The present invention relates to {HEAD ~ a thermosensitive recording medium} that utilizes a color formation reaction between an electron donating leuco dye and {TAIL ~ an electron} accepting color developing agent and more particularly to a thermosensitive recording medium having excellent color developing sensitivity, moist heat resistance and plasticizer resistance 
The present invention relates to { HEAD ~ a thermosensitive recording medium } that utilizes a color formation reaction between an electron donating leuco dye and { TAIL ~ an electron } accepting color developing agent and more particularly to a thermosensitive recording medium having excellent color developing sensitivity , moist heat resistance and plasticizer resistance
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