preferred_name: Cause Traced to Intentional Off-Label, Unapproved, or Contraindicated Use
preferred_name_lc: cause traced to intentional off-label, unapproved, or contraindicated use
label: Cause Traced to Intentional Off-Label, Unapproved, or Contraindicated Use
label_lc: cause traced to intentional off-label, unapproved, or contraindicated use