M/Z: 508.3532

Hit 3 annotations: Sapacitabine_[M+NH4]+; Contignasterol_[M-H2O+NH4]+; N-Arachidonoyl Tryptophan_[M+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 508.3532

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000057120 Unreliable	508.3489	508.3489 ~ 508.3489 MzDiff: `none`	Sapacitabine (BioDeep_00000183146) Formula: C26H42N4O5 (490.3155)	1.37 (100%)	Homo sapiens [UBERON:0007779] transudate

Found 4 Sample Hits

Metabolite	Species	Sample
Sapacitabine Formula: C26H42N4O5 (490.3155) Adducts: [M+NH4]+ (Ppm: 3.4)	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).
Contignasterol Formula: C29H48O7 (508.34) Adducts: [M-H2O+NH4]+ (Ppm: 19.8)	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).
Sapacitabine Formula: C26H42N4O5 (490.3155) Adducts: [M+NH4]+ (Ppm: 0.3)	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).
N-Arachidonoyl Tryptophan Formula: C31H42N2O3 (490.3195) Adducts: [M+NH4]+ (Ppm: 6.2)	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).