Meloxicam71125-38-7100 % similar Piroxicam36322-90-463 % similar 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid methyl ester 1,1-dioxide35511-15-049 % similar Lornoxicam70374-39-947 % similar Tenoxicam59804-37-447 % similar 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide24683-26-947 % similar N-Methylsaccharin15448-99-440 % similar Ampiroxicam99464-64-939 % similar 2H-Thieno[2,3-E]-1,2-thiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, methyl ester, 1,1-dioxide59804-25-032 % similar