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(a) Relative peak areas of act-D eluted at tR = 9.3 min in the chromatographic profile of the strain Streptomyces sp. GSBNT10, (b) Relative intensity of chromatographic peaks of act-D eluted tR = 9.3 min by UV-DAD HPLC analysis (reversed phase C18 column, methanol-water 75:25, flow 1mLmin-1, detection at 440 nm).
