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. 2018 Feb 24;8:27. doi: 10.1186/s13568-018-0560-0

Fig. 4.

Fig. 4

Possible intermediate products identified by UPLC–MS during BDE 209 biodegradation by strain WZN-1 under the optimal condition: a OH-Octa-BDEs (m/z 817); b OH-Hexa-BDEs (m/z 658); c OH-Tri-BDEs (m/z 423) and bromo-pentanal (m/z 163)