Crate chematic_iupac

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chematic-iupac — local IUPAC name generation, no network required.

Supports:

Linear alkanes and cycloalkanes
Alkenes (-ene) and alkynes (-yne) with one unsaturation
Simple derivatives: alcohols (-ol), amines (-amine), aldehydes (-al), ketones (-one with position locant), carboxylic acids (-oic acid)
Esters (alkyl alkanoate) — linear, primary esters
Primary/secondary amides (-anamide)
Halogen substituents: fluoro-, chloro-, bromo-, iodo-
Common aromatic heterocycles: benzene, pyridine, furan, thiophene, pyrrole, imidazole, pyrimidine

Complex polycyclic systems, stereo descriptors, and structures outside the above scope return IupacError::NotSupported.

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