Queried GO terms:

  idGO:0009138   Detailed information
  namepyrimidine nucleoside diphosphate metabolic process
  namespacebiological_process
  def"The chemical reactions and pathways involving pyrimidine nucleoside diphosphate, a compound consisting of a pyrimidine base linked to a ribose or deoxyribose sugar esterified with diphosphate on the sugar." [GOC:go_curators, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology"]
  subsetgosubset_prok
  synonym"pyrimidine nucleoside diphosphate metabolism" EXACT []
  is_aGO:0006220 ! pyrimidine nucleotide metabolic process
  is_aGO:0009132 ! nucleoside diphosphate metabolic process

No monarch genes has this GO term.