different between pentamidine vs diamidine

English

From pent- +? -amidine.

pentamidine (countable and uncountable, plural pentamidines)

(pharmacology) A synthetic antibiotic drug used chiefly in the form of its salt C₂₃H₃₆N₄O₁₀S₂ especially to treat protozoal infections (such as leishmaniasis) and to prevent pneumocystis pneumonia.

“pentamidine”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
“pentamidine”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

di- +? amidine

diamidine (plural diamidines)

(organic chemistry) Any organic compound having two amidine groups, such as pentamidine

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