Nomenclature of Heterocyclic Compounds

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[@OmAyman-s6d]

شرح في قمة الروعة..شكر الله لك

[@blessingchidera2069]

This is very understandable.
Thank you, Sir.

[@kengchiaming6471]

Clear and direct. Thank you.

[@art67756]

Thanks alot sir❤

[@arhamali5080]

Thanks allot sir I understand very well 😊😊😊