Derpetology

Whatever I feel is interesting - use the white search bar or post labels to find more - see my Facebook page for other content

Friday, April 17, 2026

clozapine and tetracyclic antidepressants

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It is an atypical antipsychotic.  Tetracyclic antidepressant - Wikipedia
Thursday, April 16, 2026

carbamazepine and tricyclic antidepressants

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Is there a relationship? Carbamazepine is used to treat epilepsy.  Carbamazepine - Wikipedia Tricyclic antidepressant - Wikipedia
Wednesday, April 15, 2026

aciclovir, ganciclovir, valganciclovir, and valaciclovir comparison

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All are antivirals. What would be the effect of replacing an alcohol group with a fluorine or a chlorine atom? 

chlorambucil - a melphalan cousin

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It is a chemotherapy drug and has structural similarities with several others.  Derpetology: melphalan, ifosfamide, bendamustine, and cyclop...
Tuesday, April 14, 2026

sofosbuvir - another fluorouracil cousin

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It is used to treat hepatitis C. Derpetology: fluorouracil and its cousins (fluoropyrimidine)

cephalosporins, beta lactams, and fluorouracil

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Below are the general structural formulas for cephalosporin and beta lactam antibiotics. What would be the effect of substituting the sulfur...
Monday, April 13, 2026

norepinephrine, methyldopa, dopamine, and epinephrine comparison

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Norepinephrine increases blood pressure and methyldopa reduces it. But why? Could new blood pressure medicines be made by substituting a car...
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