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InChIKey=OCPAUTFLLNMYSX-UHFFFAOYSA-N

Info

• This is the second publicly known InChIKey collision, from 2011, discovered by the same group that did the first one.
• The collision is on the major InChI layer (i.e. connectivity and hydrogens). It means that the remote similarity of the two structures is absolutely not related to the collision; it is the first "real" collision, however the two compounds probably do not exist in real.

References

• http://www.chemconnector.com/2011/09/01/an-inchikey-collision-is-discovered-and-not-based-on-stereochemistry/