3-{2-Formyl-4-methyl-5-[3-methyl-5-oxo-4-vinyl-1,5-dihydro-pyrrol-(2Z)-ylidenemethyl]-1H-pyrrol-3-yl}-propionic acid allyl ester

3-(2-Allyloxycarbonyl-ethyl)-4-methyl-5-[3-methyl-5-oxo-4-(2-p-tolylsulfanyl-ethyl)-1,5-dihydro-pyrrol-(2Z)-ylidenemethyl]-1H-pyrrole-2-carboxylic acid tert-butyl ester

(+/-)-phytochromobilin diallyl ester