Ojima:PR100906n

General Index

All Molecules KOX PR PBX COX

Ion Frequency

Prec.-Product

Neutral Loss

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Folic acid

IDs and Links
MassBank	Folic acid
CAS	59-30-3
Keio ID

Top 10 Similar Molecules of Folic acid

Ranking	About scoring
	The similarity score between two molecules is defined as the sum of Shannon entropy of ionic formulas shared by the molecules: $\textstyle - \sum_{p\in shared} \log(\mbox{frequency}(p))$ 代謝物間の類似度スコアは、それらのスペクトルで共有される（アノテートされた）イオン式のシャノン情報量の総和です。

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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。

PR100906n	440 C19H18N7O6	396 C18H18N7O4	175 C7H5N5O	132 C6H4N4
440 C19H18N7O6
396 C18H18N7O4	CO2
175 C7H5N5O	C12H13N2O5	C11H13N2O3
132 C6H4N4	C13H14N3O6	C12H14N3O4	CHNO

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