2-Hexa-4,5-dienyl-2-(2-methoxycarbonyl-acetylamino)-malonic acid diethyl ester

(2S)-9-methylenedecahydro-10-oxo-2-azecinecarboxylic acid

(2S)-2-amino-6,7-octadienoic acid

methyl (2S)-2-<<2-(methoxycarbonyl)acetyl>amino>-6,7-octadienoate

methyl (2S,6RS)-6-acetoxy-2-<<2-(methoxycarbonyl)acetyl>amino>-7-octenoate