Synonyms: Meloxicam Imp. F (EP), Piroxicam Imp. L (EP), Meloxicam USP Related Compound C, Meloxicam USP RC C, Isopropyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide, 1-Methylethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide, Meloxicam Related Compound C, Meloxicam Impurity F, Piroxicam Impurity L