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MEIMAYIUPAC Nomenclature
IUPAC nomenclature

Name the structure from first principles

Recall the name yourself, then inspect which naming decision succeeded or failed.

Hints and staged feedback are available.

A guided first problem

Start with the parent, identify the principal group, number the parent, then add substituents and stereochemistry. The answer field remains recall-based.

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ProgressGuided start

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Progressive structure annotation

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