ACD/Name

Table 23 Heterocyclic parent hydrides.

Type 1-Unlimited substitution

Acridarsine
(An exception to systematic numbering)

Acridine
(An exception to systematic numbering)

Arsanthridine

Arsindole
(1H-isomer shown)

Arsinoline

Carbazole (9H-isomer shown)
(An exception to systematic numbering)

-Carboline
(9H-isomer shown)

Chromene (2H-isomer shown)
(Chalcogen analogues are named using the prefixes "thio-", "seleno-" and "telluro-".)

Cinnoline

Furan

Imidazole
(1H-isomer shown)

Indazole
(1H-isomer shown)

Indole
(1H-isomer shown)

Indolizine

Isoarsindole
(2H-isomer shown)

Isoarsinoline

Isobenzofuran

Isochromene
(1H-isomer shown)
(Chalcogen analogues are named using the prefixes "thio-", "seleno-" and "telluro-").

Isoindole
(1H-isomer shown)

Isophosphindole
(2H-isomer shown)

Isophosphinoline

Isoquinoline

Isothiazole

Isoxazole

Naphthyridine
(1,8-isomer shown)

Perimidine
(1H-isomer shown)

Phenanthridine

Phenanthroline
(1,7-isomer shown)

Phenazine

Phosphindole
(1H-isomer shown)

Phosphinoline

Phthalazine

Pteridine

Purine
(7H-isomer shown)
(An exception to systematic numbering)

Pyran (2H-isomer shown)
(Chalcogen analogues are named using the prefixes "thio-", "seleno-" and "telluro-".)

Pyrazine

Pyrazole
(1H-isomer shown)

Pyridazine

Pyridine

Pyrimidine

Pyrrole
(1H-isomer shown)

Pyrrolizine
(1H-isomer shown)

Quinazoline

Quinoline

Quinolizine
(4H-isomer shown)

Quinoxaline

Selenophene

Tellurophene

Thiophene

Xanthene
(9H-isomer shown)(An exception to systematic numbering)
(Chalcogen analogues are named using the prefixes "thio-", "seleno-" and "telluro-".)


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