M/Z: 688.568

Hit 1 annotations: SM(d18:1/15:0)_[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 1 Reference Ions Near m/z 688.568

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000053115 Unreliable	688.5682	688.5682 ~ 688.5682 MzDiff: `none`	SM(d18:1/15:0) (BioDeep_00000169946) Formula: C38H77N2O6P (688.5519)	2.95 (100%)	DESI [NOVOCELL:BACKGROUND] blank

Found 4 Sample Hits

Metabolite	Species	Sample
SM(d18:1/15:0) Formula: C38H77N2O6P (688.5519) Adducts: [M-H2O+NH4]+ (Ppm: 10.1)	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).
SM(d18:1/15:0) Formula: C38H77N2O6P (688.5519) Adducts: [M-H2O+NH4]+ (Ppm: 6.6)	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).
SM(d18:1/15:0) Formula: C38H77N2O6P (688.5519) Adducts: [M-H2O+NH4]+ (Ppm: 10.4)	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).
SM(d18:1/15:0) Formula: C38H77N2O6P (688.5519) Adducts: [M-H2O+NH4]+ (Ppm: 12.1)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description