ACEMETACINTERT-BUTYLESTER Acemetacin Impurity 4 Acemetacin EP Impurity C Acemetacin-D4 NA 5-METHOXY-2-METHYL-3-INDOLEACETIC ACID Acemetacin Impurity 6 Acemetacin EP Impurity D Acemetacin EP Impurity F/Carboxymethyl Acemetacin/[[[[[1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetyl]oxy]acetyl]oxy]acetic acid AceMetacin-acyl-β-D-glucuronide Acemetacin Impurity 1 Acemetacin