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.
Marinobufagin. Structure of marinobufagin Transferred from org en transferred to Commons by User Leyo using de php CommonsHelper Meodipt en Meodipt Original upload log page en Marinobufagin Meodipt bytes no drew this anyone can use it Bufanolides Epoxides
Page 2023 Free-images.com. All images are Public Domain