M/Z: 307.2708

Hit 2 annotations: Dihomo-gamma-linolenic acid_[M+H]+; Fingolimod_[M-H2O+NH4]+

在BioDeep NovoCell知识数据库中，参考离子总共被划分为4个级别。

Confirmed: 这个参考离子已经通过手动审计得到确认和验证。
Reliable: 这个参考离子可能在特定的解剖组织环境中高度保守。
Unreliable: 这个参考离子具有较高的排名价值，但缺乏可重复性。
Unavailable: 由于排名价值低且缺乏可重复性，这个参考离子不应用于注释。

Found 6 Reference Ions Near m/z 307.2708

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000043055 Reliable	307.2646	307.2641 ~ 307.265 MzDiff: `3.8 ppm`	Dihomo-gamma-linolenic acid (BioDeep_00000001308) Formula: C20H34O2 (306.2559)	31.87 (100%)	Homo sapiens [UBERON:0001043] esophagus
MSI_000065179 Reliable	307.2642	307.264 ~ 307.2644 MzDiff: `1.5 ppm`	Dihomo-gamma-linolenic acid (BioDeep_00000001308) Formula: C20H34O2 (306.2559)	5.16 (100%)	Homo sapiens [UBERON:0001155] colon
MSI_000047646 Unreliable	307.2678	307.2678 ~ 307.2678 MzDiff: `none`	Dihomo-gamma-linolenic acid (BioDeep_00000001308) Formula: C20H34O2 (306.2559)	2.2 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000051657 Unreliable	307.2646	307.2646 ~ 307.2646 MzDiff: `none`	Dihomo-gamma-linolenic acid (BioDeep_00000001308) Formula: C20H34O2 (306.2559)	2.78 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000052110 Unreliable	307.2708	307.2708 ~ 307.2708 MzDiff: `none`	Fingolimod (BioDeep_00000179055) Formula: C19H33NO2 (307.2511)	2.32 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000056196 Unavailable	307.2652	307.2652 ~ 307.2652 MzDiff: `none`	Dihomo-gamma-linolenic acid (BioDeep_00000001308) Formula: C20H34O2 (306.2559)	-0.57 (100%)	Homo sapiens [UBERON:0007779] transudate

Found 5 Sample Hits

Metabolite	Species	Sample
Dihomo-gamma-linolenic acid Formula: C20H34O2 (306.2559) Adducts: [M+H]+ (Ppm: 15.2)	Homo sapiens (colorectal adenocarcinoma)	80TopL, 50TopR, 70BottomL, 60BottomR-profile Resolution: 17μm, 137x136 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Dihomo-gamma-linolenic acid Formula: C20H34O2 (306.2559) Adducts: [M+H]+ (Ppm: 13.9)	Homo sapiens (colorectal adenocarcinoma)	520TopL, 490TopR, 510BottomL, 500BottomR-profile Resolution: 17μm, 147x131 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Fingolimod Formula: C19H33NO2 (307.2511) Adducts: [M-H2O+NH4]+ (Ppm: 11.6)	Homo sapiens (colorectal adenocarcinoma)	439TopL, 409TopR, 429BottomL, 419BottomR-profile Resolution: 17μm, 157x136 Description The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).
Fingolimod Formula: C19H33NO2 (307.2511) Adducts: [M-H2O+NH4]+ (Ppm: 15.5)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description
Dihomo-gamma-linolenic acid Formula: C20H34O2 (306.2559) Adducts: [M+H]+ (Ppm: 3.4)	Homo sapiens (esophagus)	LNTO29_18_2 Resolution: 75μm, 62x68 Description