pyrimidine deoxyribonucleoside triphosphate catabolic process
pyrimidine deoxyribonucleoside triphosphate catabolic process
The chemical reactions and pathways resulting in the breakdown of pyrimidine deoxyribonucleoside triphosphate, a compound consisting of a pyrimidine base linked to a deoxyribose sugar esterified with triphosphate on the sugar.