title: Porphyrin stability as a function of the number of carboxylic acid side chains.
mesh_terms: D000421:Alcaligenes; D002264:Carboxylic Acids; D055598:Chemical Phenomena; D002621:Chemistry; D002855:Chromatography, Thin Layer; D004355:Drug Stability; D004952:Esters; D005470:Fluorometry; D006358:Hot Temperature; D006801:Humans; D008027:Light; D000432:Methanol; D011164:Porphyrias / Q000652:urine; D011166:Porphyrins / Q000528:radiation effects; D011830:Radiation Effects; D013997:Time Factors; D014466:Ultraviolet Rays
chemical_list: D002264:Carboxylic Acids; D004952:Esters; D011166:Porphyrins; D000432:Methanol