9023-63-6
- Chemical Abstracts Service Common Chemistry
- ChemIDPlus
- Drugbank
- National Institute of Standards and Technology
- National Library of Medicine
- PubChem
- ChemSpider
- chemBlink
- ChemSynthesis
- ChemSub Online
- Korea Thermophysical Properties Databank (KDB)
- National Toxicology Program (NTP)
- eChemPortal
- IARC Monographs
- Hazardous Substances Data Bank (HSDB)
- IPCS INCHEM
- Haz-Map
- Chemical Risk Information Platform (CHRIP)
- Household Products Database
- Chemical Entities of Biological Interest (ChEBI)
- SIRI MSDS
- Chemical Carcinogenesis Research Information System (CCRIS)
- Developmental and Reproductive Toxicology (DART)
- KNApSAcK Metabolite Information
- High Production Volume Information System (HPVIS)
- Human Metabolome Database (HMDB)
- NLM Gateway
- Entrez
- ToxPlanet
- Google books
Wikipedia ar, ar, ca, cs, da, de, en, en, eo, es, es, fi, fi, fr, fr, he, hu, id, id, it, ja, ja, ja, nds, nl, nl, nl, pl, pl, pt, pt, ro, ro, ru, simple, sk, sk, sv, tr, uk, zh