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.
Isatin wlvl. en Isatin molecule CAS RN in view screen shot of Isatin molecule created using WebLab Viewer Lite Gary Dorman Wiggins My own file Cczero Isatin
Page 2023 Free-images.com. All images are Public Domain