M/Z: 250.1533

Hit 2 annotations: Melatonin_[M+NH4]+; Ubiquinone-1_[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 5 Reference Ions Near m/z 250.1533

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000052790 Reliable	250.1452	250.1451 ~ 250.1454 MzDiff: `1.3 ppm`	Ubiquinone-1 (BioDeep_00000017802) Formula: C14H18O4 (250.1205)	4.09 (100%)	DESI [NOVOCELL:BACKGROUND] blank
MSI_000056927 Reliable	250.1447	250.1442 ~ 250.1449 MzDiff: `3.1 ppm`	Ubiquinone-1 (BioDeep_00000017802) Formula: C14H18O4 (250.1205)	2.04 (100%)	Homo sapiens [UBERON:0007779] transudate
MSI_000065258 Reliable	250.1448	250.1447 ~ 250.1449 MzDiff: `1.1 ppm`	Ubiquinone-1 (BioDeep_00000017802) Formula: C14H18O4 (250.1205)	4.33 (100%)	Homo sapiens [UBERON:0001155] colon
MSI_000043561 Unreliable	250.1454	250.1453 ~ 250.1454 MzDiff: `0.3 ppm`	Ubiquinone-1 (BioDeep_00000017802) Formula: C14H18O4 (250.1205)	2.6 (100%)	Homo sapiens [UBERON:0001043] esophagus
MSI_000057468 Unreliable	250.1554	250.1554 ~ 250.1554 MzDiff: `none`	Melatonin (BioDeep_00000000216) Formula: C13H16N2O2 (232.1212)	0.95 (100%)	Homo sapiens [UBERON:0007779] transudate

Found 8 Sample Hits

Metabolite	Species	Sample
Melatonin Formula: C13H16N2O2 (232.1212) Adducts: [M+NH4]+ (Ppm: 1.6)	Homo sapiens (esophagus)	LNTO22_1_4 Resolution: 17μm, 82x80 Description
Melatonin Formula: C13H16N2O2 (232.1212) Adducts: [M+NH4]+ (Ppm: 5.6)	Homo sapiens (esophagus)	LNTO22_1_9 Resolution: 75μm, 89x74 Description
Ubiquinone-1 Formula: C14H18O4 (250.1205) Adducts: [M-H2O+NH4]+ (Ppm: 6.1)	Homo sapiens (esophagus)	TO39T Resolution: 17μm, 69x81 Description
Ubiquinone-1 Formula: C14H18O4 (250.1205) Adducts: [M-H2O+NH4]+ (Ppm: 4.9)	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).
Ubiquinone-1 Formula: C14H18O4 (250.1205) Adducts: [M-H2O+NH4]+ (Ppm: 4.9)	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).
Ubiquinone-1 Formula: C14H18O4 (250.1205) Adducts: [M-H2O+NH4]+ (Ppm: 3.7)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description
Melatonin Formula: C13H16N2O2 (232.1212) Adducts: [M+NH4]+ (Ppm: 4)	Homo sapiens (esophagus)	TO31T Resolution: 75μm, 56x54 Description
Melatonin Formula: C13H16N2O2 (232.1212) Adducts: [M+NH4]+ (Ppm: 6.8)	Homo sapiens (esophagus)	LNTO22_1_7 Resolution: 75μm, 69x54 Description