N 1757 (OTTO) m-Nitrobenzoic acid, GR 99%+ Cas 121-92-6 - used in the coupling of allyl acetate to allylic, aliphatic and benzylic alcohols. N 1757 (OTTO) m-Nitrobenzoic acid, GR 99%+ Cas 121-92-6 - used as a chemoattractant against Pseudomonas strains.