2-(Diethylamino)ethyl alpha-(1-naphthylmethyl)-2-tetrahydrofuranpropionate fumarate (1:1) 2-FURANPROPIONIC ACID, TETRAHYDRO-alpha-(1-NAPHTHYLMETHYL)-, 2-(DIETHYLAMINO)ETH 2-Furanpropionic acid, tetrahydro-alpha-(1-naphthylmethyl)-, 2-(diethylamino)ethyl ester, fumarate (1:1) 3200-07-5