purine ribonucleoside diphosphate catabolic process +
pyrimidine deoxyribonucleoside diphosphate catabolic process +
pyrimidine ribonucleoside diphosphate biosynthetic process +
pyrimidine ribonucleoside diphosphate catabolic process +
The chemical reactions and pathways resulting in the breakdown of pyrimidine ribonucleoside diphosphate, a compound consisting of a pyrimidine base linked to a ribose sugar esterified with diphosphate on the sugar.