4,7-Methano-1H-indene, 6-(diethoxymethyl)-3a,4,5,6,7,7a-hexahydro- 4,7-Methano-1H-indene-6-carboxaldehyde, 3a,4,5,6,7,7a-hexahydro-, diethyl acetal 6-(Diethoxymethyl)-3a,4,5,6,7,7a-hexahydro-4,7-methano-1H-indene 67633-93-6 EINECS 266-794-8