Decarboxy Etodolac (Etodolac EP Impurity J) is an impurity of Etodolac (racemic, E933100), which is a non-steroidal anti-inflammatory drug (NSAID) that selectively inhibits cyclooxygenase-2 (COX-2). Etodolac displays anti-inflammatory effects in both adjuvant arthritic and normal rats. Etodolac is anti-inflammatory.