Please type molecular formula or query keywords:
[For example, molecular formula: CuSO4.5H2O, PhOH, AcOEt, Gly-Ile-Ala-Thr-Asp, AcO-Gly-Ile-Ala-Thr-Asp-COCH3; query keywords: pt or PT(Periodic Table); aa or AA(amino acid list). See help in detail]
*: if you want to calculate isotope pattern, please click here.
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