Porphyrin of normal erythrocyte haemoglobin is
Heme is iron containing protoporphyrin. Protoporphyrins are named according to the side chains, i.e. Methyl, vinyl, propionyl.
Coproporphyrin I
Uroporphyrin III
Protoporphyrin III
Uroporphyrin I
HAEM synth and porphyrias