"Amino Acid, Peptide, or Protein"^^ . "Hydroxyproline"^^ . . . "CHEBI:18240"^^ . "CHEBI:18095"^^ . "g"^^ . "HydroxyprolinePTNCI" . "Hydroxyproline"^^ . "HYDROXYPROLINEPTFDARMB44WO89X" . . . "Hydroxyproline"^^ . "FDA"^^ . . "4-Hydroxy-L-prolineSNNCI" . . "46704"^^ . "C0020388"^^ . "51-35-4"^^ . "517"^^ . "RMB44WO89X"^^ . "C76144"^^ . "C5H9NO3"^^ .