(S)-1-((1R,5R,7S,8R)-7-Bromomethyl-8-hydroxymethyl-4,7-dimethyl-6-oxa-bicyclo[3.2.1]oct-3-en-5-yl)-but-3-yn-2-ol

(1R,5S,8R,9S,11R)-9-(bromomethyl)-4-(acetoxymethyl)-5,9-dimethyl-11-(hydroxymethyl)-10-oxotricyclo<6.2.1.01.5>undec-3,6-diene

(1R,5S,8R,9S,11S)-9-Bromomethyl-5,9-dimethyl-10-oxa-tricyclo[6.2.1.01,5]undeca-3,6-diene-4,11-dicarboxylic acid

Benzoic acid (R)-1-[(1R,5R,7S,8R)-7-bromomethyl-8-(2,2-dimethyl-propionyloxymethyl)-4,7-dimethyl-6-oxa-bicyclo[3.2.1]oct-3-en-5-ylmethyl]-prop-2-ynyl ester

(1R,5R,7S,8R)-7-Bromomethyl-5-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-but-3-ynyl]-8-(tert-butyl-dimethyl-silanyloxymethyl)-4,7-dimethyl-6-oxa-bicyclo[3.2.1]oct-3-ene