英文别名(4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl)1,1-dioxide; Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide(Piroxicam Impurity K); 2-benzothiazine-3-carboxylic acid ethyl ester-1; 2-Methyl-4-hydroxy-2H-1; Meloxicam Related Compound A; Meloxicam Impurity A(EP); Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate; 2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide; ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazin-3-carboxylate 1,1-dioxide; 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate of ethyl-1,1-dioxide; 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-d; 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide ethyl ester; 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3 -carboxylic acid ethyl ester 1,1-dioxide; 2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-1,1-DIOXIDE-3-CARBOXYLIC ACID ETHYL ESTER; 2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ETHYL ESTER-1,1-DIOXIDE; 4-hydroxy-2-methyl-2H-l,2-benzothiazine-3-carboxylic acid ethylester 
