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Fig. 2.
Reagents and conditions. (A) KOH, EtOH, 5–10°C, 3 h; (B) CH
3
COOH, 0–5°C, 30 min. (C) 80°C, 1.5 h; (D) 80°C, 1 h.
Biomolecules & Therapeutics 2017;25:279~287
https://doi.org/10.4062/biomolther.2016.070
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