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Table 1 Search engine counts for terms related to atorvastatin (October 2012)

From: InChI in the wild: an assessment of InChIKey searching in Google

Search term

Count

Lipitor (Trade name) Google

35.6 million

atorvastatin (International Non-proprietary Name, INN) Google

8.9 million

“134523-00-5” (CAS number) Google

65,000

"CI-981" (Park-Davis internal code) Google

10,600

“IUPAC name”(PubChem version) Google

2,060

Canonical SMILES Google (PubChem version, with “”)

877

InChI skeleton: Google XUKUURHRXDUEBC

826

InChI skeleton: Google Images

~150

InChI skeleton: Google Scholar

1

InChI full key: Google XUKUURHRXDUEBC-KAYWLYCHSA-N

633

InChI full key: Google (nominally non-redundant subset)

201

InChI full key: Google Images

~140

InChI full key: Google Scholar

1

InChI full key: Bing

87

InChI full key: Yahoo

15

  1. The parameter “” can be used to fix the order in the search string to improve specificity. Note the complete InChI string could not be included due to the query box restriction to 32 words, “CID 60823” gave mostly false-positives and some of the depictions in Google image results made the counting of individual renderings difficult.