https://www.organic-chemistry.org/books/navi/naturalproducts.shtm  

Een link naar de pdf versie: https://faculty.ksu.edu.sa/15218/Medical%20Books/Color%20Atlas%20of%20Biochemistry%202nd%202005%20Thieme/Color%20Atlas%20of%20Biochemistry%202nd%202005%20Thieme.pdf