Pyrazoles are organic compounds of the general formula C3H3N2H. It is a five-membered heterocycle consisting of three carbon atoms and two adjacent nitrogen atoms. As an H-bond-donating heterocycle, pyrazole has been used as a more lipophilic and metabolically more stable bioisomer of phenol. Pyrazoles have attracted more and more attention due to their broad spectrum of action and strong efficacy.
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Indolizine is a heterocyclic compound and an isomer of indole. Indolizine derivatives are widely used in natural products and synthetic drugs. Indolizine has various pharmacological activities, such as anti-tuberculosis, anti-cancer, anti-fungal, anti-bacterial, antioxidant and anti-inflammatory.
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