Figshare repository of the InChI Isotopologue and Isotopomer Development Team lead by Hunter Moseley. Provides some definitions that could be of value to educators who wish to expound upon the nuances of isotopologues and isotopomers.
The Status of the IUPAC InChI Chemical Structure Standard – Today and the Future Stephen Heller, NIST & InChI Trust Poster presented by Steve Heller, project director at the Mainz cheminformatics meeting. Nov 2018 Mainz-poster-final-11-18
Web and high-resolution formats of an InChI infographic.  Nov 2018 HRM_A55856_InChi-trust_infographic Web_A55856_InChi-trust_infographic HR_A55856_InChi-trust_infographic