What Public Domain Chemistry Databases Do You Trust?

1. Provide Feedback on a List of Online Chemistry Databases

 
We are trying to determine what online chemistry databases you find to be trustworthy. Finding accurate representations of chemical structures associated with chemical names is challenging (see these blog posts: http://tinyurl.com/33pozwq and http://tinyurl.com/mzxnhd). In this regard which of the following FREE internet resources do you find trustworthy when trying to find accurate chemical structure representations based on a chemical name search?
1. Consider searching each of these chemical databases by chemical name (systematic name, trade name or synonym). Please mark each online resource according to how much you generally trust the results.
Never TrustRarely TrustSometimes Trust (Neutral)Commonly TrustAlways TrustNo Experience with this resource
DrugBank
DailyMed
Wikipedia
PubChem
ChemIDPlus
ChEBI/ChEMBL
CAS' Common Chemistry
ChemSpider
PDSP
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