| prov:value
| - Typical examples of heterocycles are pyrrolidine, tetrahydrofuran, tetrahydrothiophen, pyrroline, dihydrofuran, dihydrothiophene, indane, dihydrocoumarone, dihydrobenzothiophene, carbazole, dibenzofuran, dibenzothiophene, pyrazolidine, imidazolidine, pyrazoline, imidazoline, benzimidazolidine, oxazolidine, oxazoline, thiazolidine, thiazoline, isooxazolidine, isooxazoline, isothiazolidine, isothiaz
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