4-methoxycarbonylpropyl-3,5-dimethylpyrrole-2-carboxylic acid

5-bromo-6-oxo-heptanoic acid ethyl ester

4-(3-ethoxycarbonylpropyl)-3,5-dimethylpyrrole-2-carboxylic acid

2-(2-chloroethyl)-4-ethyl-6-methoxycarbonyl-7-(3-pyrrolidinylcarbonylpropyl)-1,3,5,8-tetramethylporphyrin

γ-(3,5-Dimethyl-4-isoxazolyl)butyric acid