This work has been released into the public domain by its author, Kalirren. This applies worldwide.
In some countries this may not be legally possible; if so: Kalirren grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Public domainPublic domainfalsefalse
This image of a simple structural formula is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.