19.1B Heterocyclic amines (杂环胺) The important heterocyclic amines all have common mames N pyrrole razole Imidazole Indole (吡咯) (吡唑) (咪唑) (吲哚)19.1B Heterocyclic amines （杂环胺） The important heterocyclic amines all have common names. Pyrrole (吡 咯 ） (吡 唑 ） (咪 唑 ） (吲 哚 ） N H N H N Pyrazole N N H Imidazole N H Indole