p. 7697 - 7700
(1995)1,6-bis-formylamino-hexane-1,1,6,6-tetracarboxylic acid tetraethyl ester
bis(acetamidoethylmalonyl)-1,4 butane
meso-α,α'-Dibrom-korksaeure
diethyl 2,7-dibromooctanedioate
1,6-bis-formylamino-hex-3-yne-1,1,6,6-tetracarboxylic acid tetraethyl ester