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Wednesday, April 11, 2018

Security Council deadlocks again on Syria chemical attacks

Rival U.S., Russian resolutions to determine responsibility for attacks fail

from ABC News: U.S. https://ift.tt/2HqQfX7

2 comments:

  1. "A.H-NMR:Comply with the structure£¬ B.LC-MS:Comply with the structure£¬
    C.The IR spectrum of sample should be identical with that of reference standard£¬
    D.HPLC-ESI-MS£¬
    The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
    " 2356-tetrachloro-4-benzoquinone£¬

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