Preferred term
547.593 Heterosykliske nitrogenforbindelser
Broader concept
Entry terms
- Diaziner
- Imidazoler
- Klorofyller--organisk kjemi
- Porfyriner
- Pyrazoler
- Pyridiner
- Pyrroler
Identifier
- ocd00147093
Notation
- 547.593
URI
http://dewey.info/class/547.593/e23/