M/Z: 540.0469

Hit 2 annotations: I-Abopx_[M+H-2H2O]+; Phosphoaminophosphonic acid-guanylate ester_[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 4 Reference Ions Near m/z 540.0469

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000053474 Unreliable	540.0416	540.0416 ~ 540.0416 MzDiff: `none`	Not Annotated	2.44 (0%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000022722 Unreliable	540.0477	540.0477 ~ 540.0477 MzDiff: `none`	I-Abopx (BioDeep_00000179890) Formula: C23H22IN5O5 (575.0666)	1.19 (100%)	Mus musculus [UBERON:0004250] upper arm bone
MSI_000023326 Unreliable	540.0403	540.0403 ~ 540.0403 MzDiff: `none`	Not Annotated	1.76 (0%)	Mus musculus [UBERON:0004263] upper arm skin
MSI_000065860 Unreliable	540.054	540.054 ~ 540.054 MzDiff: `none`	I-Abopx (BioDeep_00000179890) Formula: C23H22IN5O5 (575.0666)	1.62 (100%)	Homo sapiens [UBERON:0007779] transudate

Found 5 Sample Hits

Metabolite	Species	Sample
I-Abopx Formula: C23H22IN5O5 (575.0666) Adducts: [M+H-2H2O]+ (Ppm: 9.3)	Mus musculus (Left upper arm)	357_l_total ion count Resolution: 50μm, 97x131 Description Diseased
Phosphoaminophosphonic acid-guanylate ester Formula: C10H17N6O13P3 (522.0066) Adducts: [M+NH4]+ (Ppm: 11.9)	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).
I-Abopx Formula: C23H22IN5O5 (575.0666) Adducts: [M+H-2H2O]+ (Ppm: 4.5)	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).
Phosphoaminophosphonic acid-guanylate ester Formula: C10H17N6O13P3 (522.0066) Adducts: [M+NH4]+ (Ppm: 5.6)	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).
Phosphoaminophosphonic acid-guanylate ester Formula: C10H17N6O13P3 (522.0066) Adducts: [M+NH4]+ (Ppm: 6.7)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description