n-octyl l-pyroglutamate, octyl 5-oxo-L-prolinate, 5-Carbooctyloxy-2-pyrrolidon, Pyroglutamic acid octyl ester, n-octyl l-2-pyrrolidinone-5-carboxylate, n-Octyl L-pyroglutamate~L-Pyroglutamic acid n-octyl ester~(S)-2-Pyrrolidinone-5-carboxylic acid octyl ester, l-pyroglutamic acid n-octyl ester, octyl pyroglutamate, N-OCTYL (S)-2-PYRROLIDINONE-5-CARBOXYLATE, 5-Pyrrolidon-(2)-carbonsaeureoctylester, (S)-5-Oxopyrrolidine-2-carboxylic acid octyl ester