preferred_name: Characteristic urinary coproporphyrin pattern (mostly isomer I instead of isomer III)
preferred_name_lc: characteristic urinary coproporphyrin pattern (mostly isomer i instead of isomer iii)
label: Characteristic urinary coproporphyrin pattern (mostly isomer I instead of isomer III)
label_lc: characteristic urinary coproporphyrin pattern (mostly isomer i instead of isomer iii)