Ojima:HC100913p
From Metabolomics.JP
(Difference between revisions)
Latest revision as of 09:00, 25 October 2011
| General Index | Ion Frequency | Prec.-Product | Neutral Loss | Help |
| IDs and Links | |
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| MassBank | [1] |
| CAS | |
| Keio ID | |
Contents |
[edit] Top 10 Similar Molecules of
| Ranking | About scoring |
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The similarity score between two molecules is defined as the sum of Shannon entropy of ionic formulas shared by the molecules:
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[edit] Links
| Page list for each fragment |
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Pages Related to Peak C20H22NO4:
T041+ |
[edit] Annotations
[edit] Precursor-Product Relationship
| About the PP Table (行列表示について) | |
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| The matrix is viewed columnwise. The topmost precursor ion in bold face produces the product ions beneath it.
Each formula in matrix cells corresponds to the neutral loss. Blackout cells indicate products that cannot be derived, and orange cells indicate a structurally plausible link produced by cleaving a single chemical bond (in cases of ring-opening, two bonds). |
行列は列方向に見ます。最上段太字の前駆イオン(precursor ion)が直下の生成イオン群(product ions)になると解釈します。
行列要素に書かれている組成式はニュートラルロスです。黒は前駆イオンから生成しえない関係、オレンジは分子構造における共有結合1本の切断（開環の場合は2本）で生じる関係を意味します。 |
| HC100913p | 340 C20H22NO4 |
325 C19H19NO4 |
324 C19H18NO4 |
202 C12H12NO2 |
171 C11H9NO |
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| 340 C20H22NO4 |
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| 325 C19H19NO4 | CH3 |
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| 324 C19H18NO4 | CH4 | H |
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| 202 C12H12NO2 | C8H10O2 | C7H7O2 | C7H6O2 |
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| 171 C11H9NO | C9H13O3 | C8H10O3 | C8H9O3 | CH3O |
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