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Ferrocene, or ferrocyclopentadienyl iron, is an organometallic compound with the formula Fe(C5H5)2 that sublimates slightly at room temperature and thus has a distinctive camphor-like odor. Ferrocene is the most important complex and the first sandwich complex to be discovered, consisting of two anions bonded to iron atoms by PI electrons.

2-Cyanoguanidine is an nitrile derived from guanidine. It is a dimer of cyanamide, from which it can be prepared. 2-Cyanoguanidine is a colourless solid that is soluble in water, acetone, and alcohol, but not nonpolar organic solvents.

Sodium thiocyanate(sometimes called Sodium sulphocyanide) is the chemical compound with the formula NaSCN. This colorless deliquescent salt is one of the main sources of the thiocyanate anion. As such, it is used as a precursor for the synthesis of pharmaceuticals and other specialty chemicals. Thiocyanate salts are typically prepared by the reaction of cyanide with elemental sulfur:

Dofetilide/Dofetilidum CAS115256-11-6 is a class III antiarrhythmic agent. It is marketed under the trade name Tikosyn by Pfizer, and is available in the United States in capsules containing 125, 250, and 500 µg of dofetilide. Dofetilide/ Dofetilidum is not available in Europe or Australia. Due to the pro-arrhythmic potential of dofetilide, it is only available by prescription from physicians who have undergone specific training in the risks of treatment with dofetilide. In addition, it is only available by mail order or through specially trained local pharmacies.

Potassium ferricyanide, potassium hexacyanide (III), is an inorganic compound, chemical formula K3[Fe(CN)6], commonly known as red blood salt. This bright red solid salt contains [Fe(CN)6]3− coordination ions. It is soluble in water, and the aqueous solution has a yellow-green fluorescence.

adalafil is a PDE5 inhibitor marketed in pill form for treating erectile dysfunction (ED) under the name Cialis, and under the name Adcirca for the treatment of pulmonary arterial hypertension. In October 2011 the U.S. Food and Drug Administration (FDA) approved Cialis for treating the signs and symptoms of benign prostatic hyperplasia (BPH) as well as a combination of BPH and erectile dysfunction (ED) when the conditions coincide. It initially was developed by the biotechnology company ICOS, and then again developed and marketed world-wide by Lilly ICOS, LLC, the joint venture of ICOS Corporation and Eli Lilly and Company. Cialis tablets, in 2.5mg, 5mg, 10mg, and 20mg doses, are yellow, film-coated, and almond-shaped. The approved dose for pulmonary arterial hypertension is 40mg (two 20-mg tablets) once daily.

Lithium hydroxide (molecular formula: LiOH) is a hydroxide of lithium, corrosive, white deliquant crystal at room temperature. Soluble in water, the solution is strong alkaline, slightly soluble in ethanol, there are two states of anhydrous and monohydrate.

Alpha lipoic acid (ALA), also known as Lipoic acid (LA), α-lipoic acid and thioctic acid is an organosulfur compound derived from octanoic acid. ALA is made in animals normally, and is essential for aerobic metabolism. It is also manufactured and is available as a dietary supplement in some countries where it is marketed as an antioxidant

N-Iodosuccinimide is a iodo substituted succinimide that is used as an iodinating agent in chemical synthesis.

Calcium Bromide is white grain or cake crystal; it is free of smell and tastes salty and slightly bitter. Proportion 3.203 and melting point of 730oC and boiling point of 806-812oC. It can dissolve in water and ethanol or acetone, hardly dissolves in ether or chloroform. It will turn yellow if placed in the air for a long time. It is very quick hygroscopic, its aqueous solution is neutral.