3-Ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenecarbonitrile;1,1,4,4-Tetramethyl-6-ethyl-7-cyanotetralin;2-Naphthalenecarbonitrile, 3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-
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