MassBank:KOX00913p
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&&C4H5N2&&C3H4N&&C3H5&& | &&C4H5N2&&C3H4N&&C3H5&& | ||
| − | &&C4H5N2: C3H4N C3H5 | + | &&C4H5N2: C3H4N |
| + | a | ||
| + | &&C4H5N2: C3H5 | ||
| + | b | ||
}} | }} | ||
Latest revision as of 13:43, 4 November 2009
| General Index | Ion Frequency | Prec.-Product | Neutral Loss | Help |
Pyrimidine
| IDs and Links | |
|---|---|
| MassBank | Pyrimidine |
| CAS | 289-95-2 |
| Keio ID | P042+ |
Contents |
[edit] Top 10 Similar Molecules of Pyrimidine
| 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 C4H5N2:
KOX00056p KOX00062p KOX00086p KOX00111p KOX00136p KOX00162p KOX00197p KOX00215p KOX00308p KOX00313p KOX00420p KOX00427p KOX00443p KOX00526p KOX00588p KOX00590p KOX00596p KOX00606p KOX00608p KOX00684p KOX00721p KOX00746p KOX00749p KOX00750p KOX00756p KOX00761p KOX00779p KOX00780p KOX00782p KOX00791p KOX00793p KOX00803p KOX00846p KOX00876p KOX00881p KOX00897p KOX00911p |
[edit] Annotations
| Precursor | Product | Comments |
|---|---|---|
| C4H5N2 (81) | C3H4N (54) | a |
| C4H5N2 (81) | C3H5 (41) | b |
[edit] Precursor-Product Relationship
| About the PP Table (行列表示について) | |
|---|---|
| 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。 |
| KOX00913p | 81 C4H5N2 |
54 C3H4N |
41 C3H5 |
|---|---|---|---|
| 81 C4H5N2 |
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| 54 C3H4N | CHN |
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| 41 C3H5 | CN2 |
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