CF, Cf, cf and similar may refer to:
2C-F, or 4-fluoro-2,5-dimethoxyphenethylamine, is a lesser-known psychedelic drug of the 2C family. It was first synthesized by Alexander Shulgin. In his book PiHKAL (Phenethylamines i Have Known And Loved), the minimum dosage is listed as 250 mg. 2C-F may be found as a brownish freebase oil, or as a white crystalline hydrochloride salt.
Very little data exists about the pharmacological properties, metabolism, and toxicity of 2C-F.
At a dose of 250 milligrams, 2C-F produces modest closed-eye visuals accompanied by lethargy. The amphetamine analogue DOF is likely to be more active than the phenethylamine derivative 2C-F, and in animal trials DOF was found to be 1/6 the activity of the potent hallucinogen DOI, which would make an active dose of DOF likely to be in the 6-18 milligram range, although it is not known to have been tested in humans.
Difluoroacetylene, C2F2, is a compound of carbon and fluorine. A linear molecule, its two carbons are joined by a triple bond and have terminal fluorines: F-C≡C-F. The molecule is the perfluorocarbon analog of acetylene, C2H2. Preparation of difluoracetylene is difficult, with danger of explosions and with low yields. Nevertheless, the compound has been made, isolated, and characterized by NMR and IR spectroscopy. The compound is of interest as a precursor to fluoropolymers containing double bonds, analogous to polyacetylene.
When we go
I'm falling down to the river
I'm gonna climb another mountain
I'm going down to the mountain
I'm coming up from below
I'm gonna climb as high as I can
I ain't got no other place to go
Down to the river
I'm going down to the river
I'm going to spread myself around
I'm going down to the river
Spread myself around
How much time
How much time
How much time