2-Naphthalenepropanoic acid, beta-ethyl-6-methoxy-alpha,alpha-dimethyl- (9CI) 2-Naphthalenepropionic acid, beta-ethyl-6-methoxy-alpha,alpha-dimethyl- 3-(6-Methoxy-2-naphthyl)-2,2-dimethylpentanoic acid 3-(6-Methoxy-2-naphthyl)-2,2-dimethylvaleriansaeure 3-(6-Methoxy-2-naphthyl)-3-ethyl-2,2-dimethylpropionsaeure 517-18-0 EINECS 208-232-6 Ercostrol HSDB 3358 METHALLENESTRIL Metalenestrilo [INN-Spanish] Metalenestrilo [Spanish] Methallenestril [INN] Methallenestrilum [INN-Latin] Methallenestrilum [Latin] Methallenestrol Methallenoestril Methallenoestrolum Novestrine Vallestril beta-(6-Methoxy-2-naphthyl)-alpha,alpha-dimethylvaleric acid beta-Ethyl-6-methoxy-alpha,alpha-dimethyl-2-naphthalenepropionic acid