(2S)-<2-methyl-5(R)-(2-propenyl)-2-cyclohexen-1(R)-yl>propionic acid
(2R)-<2-methyl-5(R)-(2-propenyl)-2-cyclohexen-1(R)-yl>propionic acid
2-((1R,5S)-5-Isopropenyl-2-methyl-cyclohex-2-enyl)-propionic acid
2(S)-<2-methyl-5(S)-(2-propenyl)-2-cyclohexen-1(R)-yl>propionic acid