Synonyms: | Sulfasalazine-d4;2-Hydroxy-5-[[4-[(2-pyridinylaMino-d4)sulfonyl]phenyl]azo]benzoic Acid;5-[[p-(2-PyridylsulfaMoyl-d4)phenyl]azo]salicylic Acid;5-[p-(2-PyridylsulfaMyl-d4)phenylazo]salicylic Acid;Azopyrin-d4;Azopyrine-d4;Azulfidine EN-d4;Azulfidine-d4 |