氢碘酸

5'-bromo-3',4-diethyl-3,4',5-trimethyl-2,2'-dipyrromethenium bromide/perbromide

醋酸

(4-ethyl-5-bromo-3-methyl-pyrrol-2-yl)-(3-ethyl-4,5-dimethyl-pyrrol-2-ylidene)-methane

2,5-dicarbomethoxy-3-ethyl-4-methylpyrrole