International chemical identifier for reactions (RInChI). - Guenter Grethe; Gerd Blanke; Hans Kraut; Jonathan M. Goodman (J. Cheminformatics, 2018)

TUCAN: A molecular identifier and descriptor applicable to the whole periodic table from hydrogen to oganesson. - Jan C. Brammer; Gerd Blanke; Claudia Kellner; Alexander Hoffmann; Sonja Herres-Pawlis; Ulrich Schatzschneider (J. Cheminformatics, 2022)