This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Curtius rearrangement overview v.svg en Overview of the Curtius rearrangement de bersicht der CurtiusReaktion selbst erstellt mit ChemBioOffice LinuxCLP Cczero Curtius rearrangement
Page 2023 Free-images.com. All images are Public Domain