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Alkaloids, Five-membered rings


Cyclic compounds (7)
Pyrroles (4)
Cycloalkanes (3)
Cyclopentanes (3)
Pharmaceuticals (2)
Alkaloid (1)
Aromatic bases (1)
Aromatic compounds (1)
Bases (chemistry) (1)
Cycloalkenes (1)
Cyclopentenes (1)
Furans (1)
Imidazoles (1)
Simple aromatic rings (1)


AK Scientific (1)
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TCI Chemicals (1)

imidazole (288-32-4)  
imidazolium chloride  ·  imidazole acetate  ·  imidazole sodium
Imidazole is an organic compound with the formula C3N2H4. It is a white or colourless solid that is soluble in water, producing a mildly alkaline solution. In chemistry, it is an aromatic heterocycle, classified as a diazole, and having non-adjacent nitrogen atoms.
homoharringtonine (26833-87-4)  
Ceflatonin  ·  omacetaxine mepesuccinate  ·  homoharringtonine, 3H-labeled, (3(R))-isomer
Omacetaxine mepesuccinate (INN, trade names Synribo or Myelostat ), formerly named as homoharringtonine or HHT, is a pharmaceutical drug substance that is indicated for treatment of chronic myeloid leukemia (CML). It is a natural product first discovered in Cephalotaxus harringtonii, now manufactured by hemi-synthesis. It was approved by the US FDA in October 2012 for the treatment of adult patients with CML with resistance and/or intolerance to two or more tyrosine kinase inhibitors (TKIs).
Ryania (15662-33-6)  
Ryanodine is a poisonous diterpenoid found in the South American plant Ryania speciosa (Salicaceae). It was originally used as an insecticide. The compound has extremely high affinity to the open-form ryanodine receptor, a group of calcium channels found in skeletal muscle, smooth muscle, and heart muscle cells.
Wilfortrine (37239-48-8)  
Wilfortrine is a sesquiterpene alkaloid isolated from Tripterygium wilfordii. It has immunomodulatory effects.
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Five-membered rings