(Z)-7-[(1R,3S,5S)-2-[[5-(benzenesulfonyloxy)-1-benzothiophene-3-carbonyl]amino]-6,6-dimethyl-3-bicyclo[3.1.1]heptanyl]hept-5-enoic acid;2-[(1S,2R,3R,5S)-2-benzyl-6,6-dimethyl-3-bicyclo[3.1.1]heptanyl]ethanol;[3-(chlorosylmethyl)-1-benzothiophen-5-yl] benzenesulfonate;[3-[[(1R,3R,5S)-6,6-dimethyl-3-(2-oxoethyl)-2-bicyclo[3.1.1]heptanyl]carbamoyl]-1-benzothiophen-5-yl] benzenesulfinate;(Z)-7-[(1R,3S,5S)-2-[(5-hydroxy-1-benzothiophene-3-carbonyl)amino]-6,6-dimethyl-3-bicyclo[3.1.1]heptanyl]hept-5-enoic acid;[3-[[(1R,3R,5S)-3-(2-hydroxyethyl)-6,6-dimethyl-2-bicyclo[3.1.1]heptanyl]carbamoyl]-1-benzothiophen-5-yl] benzenesulfinate