M/Z: 754.5557

Hit 3 annotations: SM(d17:1/20:3(6,8,11)-OH(5))_[M]+; PC(20:5(5Z,8Z,11Z,14Z,17Z)/P-18:1(11Z))_[M+H-2H2O]+; PC(14:0/20:4)_[M+H]+

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 754.5557

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000030288 Unreliable	754.5509	754.5509 ~ 754.5509 MzDiff: `none`	SM(d17:1/20:3(6,8,11)-OH(5)) (BioDeep_00000215392) Formula: C42H79N2O7P (754.5625)	2 (100%)	Macropus giganteus [UBERON:0003027] cingulate cortex

Found 4 Sample Hits

Metabolite	Species	Sample
SM(d17:1/20:3(6,8,11)-OH(5)) Formula: C42H79N2O7P (754.5625) Adducts: [M]+ (Ppm: 14.6)	Macropus giganteus (Brain)	170321_kangaroobrain-dan3-pos_maxof50.0_med1 Resolution: 50μm, 81x50 Description Sample information Organism: Macropus giganteus (kangaroo) Organism part: Brain Condition: Wildtype Sample growth conditions: Wild
PC(20:5(5Z,8Z,11Z,14Z,17Z)/P-18:1(11Z)) Formula: C46H80NO7P (789.5672) Adducts: [M+H-2H2O]+ (Ppm: 3.1)	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).
PC(20:5(5Z,8Z,11Z,14Z,17Z)/P-18:1(11Z)) Formula: C46H80NO7P (789.5672) Adducts: [M+H-2H2O]+ (Ppm: 7.6)	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).
PC(14:0/20:4) Formula: C42H76NO8P (753.5308) Adducts: [M+H]+ (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).