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This is the category for naturally occurring substances. It does not preclude synthetic versions of the same molecule.
The main page for this category is Naturally occurring sources
This category has the following 4 subcategories, out of 4 total.
- ► Alkaloid (22 P)
- ► Amino acid (4 P)
- ► Hormone (6 P)
- ► Neurotransmitter (15 P)
Pages in category ‘Naturally-occurring substance’
The following 6 pages are in this category, out of 6 total.