甲基炔雌醇

7,7-diethoxy-hept-1-yne

9,10-diethynyl-9,10-dihydro-anthracene-9r,10t-diol

trans-1,4-Diethynylcyclohexane-1,4-diol

1-cyclohex-3-enyl-prop-2-yn-1-ol