[2R-(2α(R*),3aα,4α,7α,7aα)]-Octahydro-2-[1-(2-thienyl)-ethoxy]-7,8,8-trimethyl-4,7-methanobenzofuran

1-己炔

sodium hex-4-yn-2-yl sulfate

(+/-)-hex-4-yn-2-ol

hex-1-en-2-yl N-carbobenzyloxytryptophanate