a bis ( thiolato ) complex of iron-porphyrin exhibiting a `` '' split soret band '' '' with peaks at 374 and 466 nm , classified as a `` '' hyperporphyrin ( hp ) spectrum '' '' , was prepared with fe ( iii ) protoporphyrin dimethyl ester ( feppixdme ) , glutathione dimethyl ester ( gshdme ) and tetrabutylammonium hydroxide in acetone solvent .
C0032712
porphyrin
C0033733
iii ) protoporph