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Mass fragmentation patterns of pterostilbene metabolites identified by LC-MS from Sphingobium sp. JS1018. (A) Metabolite (MW 414) with an HPLC RT of 6.23 min (RT of 28.18 min on LC-MS). (B) Metabolite (MW 191) with an HPLC RT of 5.57 min (or an RT of 20.28 min on LC-MS).
