Benzoic acid (5E,10Z,14Z,19Z)-13,18-bis-(2-hydroxy-ethyl)-3,7-bis-(2-methoxycarbonyl-ethyl)-2,8,12,17-tetramethyl-porphyrin-5-yl ester

2,4-bis(2-acetoxyethyl)-γ-benzoyloxy-6,7-bis(2-methoxycarbonylethyl)-1,3,5,8-tetramethylporphyrin