M/Z: 911.5537

Hit 3 annotations: PI(18:0/22:6)_[M+H]+; PGP(a-21:0/18:2(10E,12Z)+=O(9))_[M+H]+; Ginsenoside B2_[M+H-2H2O]+

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 4 Reference Ions Near m/z 911.5537

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000047297 Unreliable	911.5566	911.5566 ~ 911.5566 MzDiff: `none`	PGP(a-21:0/18:2(10E,12Z)+=O(9)) (BioDeep_00000199623) Formula: C45H84O14P2 (910.5336)	2.42 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000047555 Unreliable	911.548	911.548 ~ 911.548 MzDiff: `none`	Ginsenoside B2 (BioDeep_00000000025) Formula: C48H82O18 (946.5501)	2.24 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000052016 Unreliable	911.5632	911.5632 ~ 911.5632 MzDiff: `none`	PI(18:0/22:6) (BioDeep_00000018556) Formula: C49H83O13P (910.5571)	2.35 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000052127 Unreliable	911.5537	911.5537 ~ 911.5537 MzDiff: `none`	Ginsenoside B2 (BioDeep_00000000025) Formula: C48H82O18 (946.5501)	2.31 (100%)	Homo sapiens [UBERON:0001052] rectum

Found 5 Sample Hits

Metabolite	Species	Sample
PI(18:0/22:6) Formula: C49H83O13P (910.5571) Adducts: [M+H]+ (Ppm: 1.1)	Homo sapiens (esophagus)	LNTO22_1_4 Resolution: 17μm, 82x80 Description
PGP(a-21:0/18:2(10E,12Z)+=O(9)) Formula: C45H84O14P2 (910.5336) Adducts: [M+H]+ (Ppm: 17.2)	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).
m/z_911.5492 Formula: - (n/a) Adducts: (Ppm: 0)	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).
Ginsenoside B2 Formula: C48H82O18 (946.5501) Adducts: [M+H-2H2O]+ (Ppm: 19.2)	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).
Ginsenoside B2 Formula: C48H82O18 (946.5501) Adducts: [M+H-2H2O]+ (Ppm: 14.8)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description