3-cyclohexene-1-carboxylic acid, 5-[(ethylthio)carbonyl]-4-methyl-6-(2-methyl-1-propenyl)-2-oxo-, methyl ester, (1R,5R,6R)- InChI=1/C16H22O4S/c1-6-21-16(19)13-10(4)8-12(17)14(15(18)20-5)11(13)7-9(2)3/h7-8,11,13-14H,6H2,1-5H3/t11-,13-,14+/m0/s methyl rel-(1R,5R,6R)-5-[(ethylthio)carbonyl]-4-methyl-6-(2-methylprop-1-en-1-yl)-2-oxocyclohex-3-ene-1-carboxylate