Uranyl hydroxide
Uranyl hydroxide is a hydroxide of uranium with the chemical formula UO(OH) in the monomeric form and (UO)(OH) in the dimeric; both forms may exist in normal aqueous media. Uranyl hydroxide hydrate is precipitated as a colloidal yellowcake from oxidized uranium liquors near neutral pH.
3-Hexyne
3-Hexyne is the organic compound with the formula CHCCCH, simplified to CH. This colorless liquid is the most common of the three isomeric hexynes. Together with 2-butyne and diphenylacetylene, it serves as a reference acetylenic ligand in organometallic chemistry. 3-Hexyne is useful because the H NMR signals for the methylene bridges convey stereochemical information in its octahedral complexes.