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Chemical structures of the NRF2 activators andrographolide (1), 14‐deoxy‐14,15‐didehydroandrographolide (2), 14‐deoxy‐11,12‐didehydro‐andrographolide (3), bardoxolone‐methyl (CDDO−Me, 4), sulforaphane (5), and dimethyl fumarate (6). Partial carbon numbering is assigned for andrographolide.
