preferred_name: PGH2 is isomerised to PGD2 by PTGDS (Canis familiaris)
preferred_name_lc: pgh2 is isomerised to pgd2 by ptgds (canis familiaris)
label: PGH2 is isomerised to PGD2 by PTGDS (Canis familiaris)
label_lc: pgh2 is isomerised to pgd2 by ptgds (canis familiaris)