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Did you mean shikai guo (3 results)?
Nematicidal Stemona Alkaloids from Stemona parviflora.
Huang SZ, Kong FD, Ma QY, Guo ZK, Zhou LM, Wang Q, Dai HF, Zhao YX. Huang SZ, et al. J Nat Prod. 2016 Oct 28;79(10):2599-2605. doi: 10.1021/acs.jnatprod.6b00528. Epub 2016 Sep 29. J Nat Prod. 2016. PMID: 27684288
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