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. Author manuscript; available in PMC: 2023 Feb 1.
Published in final edited form as: Mol Aspects Med. 2021 Aug 2;83:101007. doi: 10.1016/j.mam.2021.101007

Figure 2.

Figure 2.

Chemical structures of various STING agonists. STING agonists can be generally divided into four main groups: natural cyclic dinucleotides (CDNs), derivatives of CDNs, flavonoids and xanthones, and other STING agonists.