5-amino-4-hydroxy-1-bromo-1-cyanopentan-4-ol

1-amino-6-bromo-3-hydroxy-4-oxopentanenitrile

6-amino-2-bromo-5-hydroxy-3-oxohexanenitrile

6-amino-2-bromo-5-hydroxy-3-oxopentanenitrile

3-methenyl-6-methyloct -7-yn-5-ol

2-ethyl-5-methylhept -1-en-6-yn-4-ol

2-ethyl-5-methylhept-1-yn-6-en-4-ol

3-methyl-6-ethylhept-6-en-1-yn-4-ol