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.
OxalicanhydridedimerD. Structural formula of the cyclic dimer of oxalic anhydride dioxane tetraone own Ben Mills Benjahbmm Images by Ben Mills Oxalic anhydride Dimers
Page 2023 Free-images.com. All images are Public Domain