Synonyms: 2-Naphthalenepropionicacid, b-ethyl-6-methoxy-a,a-dimethyl- (6CI,7CI,8CI); (?à)-Methallenestril; 3-(6-Methoxy-2-naphthyl)-2,2-dimethylpentanoicacid; Methallenestril; Methallenestrol; NSC 74235; Novestrine; Vallestril; b-(6-Methoxy-2-naphthyl)-a,a-dimethylvaleric acid; b-Ethyl-6-methoxy-a,a-dimethyl-2-naphthalenepropionic acid