1-chloro-4-methoxybut-2-yne

4-吗啉-2-丁炔-1-醇

4-chlorobut-2-ynyl N-(3-nitrophenyl)carbamate

4-chlorobut-2-yn-1-yl (2-chlorophenyl)carbamate

4-chlorobut-2-yn-1-yl (4-chlorophenyl)carbamate