undec-4-yn-3-ol

3,3-dimethylpent-1-yne

magnesium,9H-fluoren-9-ide,bromide

2,2,4-triethyl-3-hydroxy-5-phenyl-4H-imidazole

3-ethyl-4-hydroxy-2-phenyl-1,4-diazaspiro[4.5]dec-1-ene