New infrared technique for the determination of impurity in substituted anthranilic acid: effect of ortho substitution on the aromatic acid carbonyl band.
D055598:Chemical Phenomena; D002621:Chemistry; D004340:Drug Contamination; D006219:Halogens; D007259:Infrared Rays; D008722:Methods; D013053:Spectrophotometry; D062367:ortho-Aminobenzoates / Q000032:analysis*
D006219:Halogens; D062367:ortho-Aminobenzoates