(S)-5-ethyl-5-methyldihydrofuran-2(3H)-one

1-iodododec-1-yne

甲基9-羟基-10-十一碳烯酸酯

methyl 4-(2,4,6-trimethoxyphenyl)hex-2-ynoate

3,3,6,6-tetramethyl-1-(3,3,6-trimethylhept-1-ynyl)cyclohexene