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.
Chemfm acetylene dioxide neg.svg en Molecular diagram of the acetylenediolate anion for the en oxocarbon anion article own Jorge Stolfi Oxocarbon anions
Page 2023 Free-images.com. All images are Public Domain