Wiktionary
etofibrate
n. A fibrate that is a combination of clofibrate and niacin, linked together by an ester bond.
Wikipedia
Etofibrate
Etofibrate is a fibrate. It is a combination of clofibrate and niacin, linked together by an ester bond. In the body, clofibrate and niacin separate and are released gradually, in a manner similar to controlled-release formulations.