alternative label RxNorm Preferred Name As seen: http://purl.bioontology.org/ontology/RXNORM/901644, the RxNORM vaccine term "Prevnar 13 vaccine 0.5 ML Prefilled Syringe" has Preferred Name of: 0.5 ML Streptococcus pneumoniae serotype 1 capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 14 capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 18C capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 19A capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 19F capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 23F capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 3 capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 4 capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 5 capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 6A capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 6B capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0088 MG/ML / Streptococcus pneumoniae serotype 7F capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML / Streptococcus pneumoniae serotype 9V capsular antigen diphtheria CRM197 protein conjugate vaccine 0.0044 MG/ML Prefilled Syringe [Prevnar 13]". In this case, the whole preferred name is annotated under the annotation property "RxNORM Preferred Name".