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(A) A classic picture (reprinted from Elsevier, 131, Alam, M.B., et al., Protopine attenuates inflammation stimulated by carrageenan and LPS via the MAPK/NF-kappaB pathway, Pages 2, Copyright (2019), with permission from Elsevier) of Corydalis yanhusuo W.T. Wang tuber [3]. (B) Chemical structure of Protopine.
