2-Methyl-3-ethyl-4-p-acetoxyphenyl-delta(sup 4)-cyclohexene carboxylic acid 21161-63-7 3-Cyclohexene-1-carboxylic acid, 5-ethyl-4-(p-hydroxyphenyl)-6-methyl-, acetate (ester) 5-Ethyl-4-(p-hydroxyphenyl)-6-methyl-3-cyclohexene-1-carboxylic acid acetate (ester) BRN 2875587 ORF 5529