M/Z: 309.2855

Hit 3 annotations: Dicyclomine_[M-H2O+NH4]+; Ethylene brassylate_[M+K]+; Dihomolinoleate (20:2n6)_[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 7 Reference Ions Near m/z 309.2855

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000043104 Reliable	309.2797	309.2791 ~ 309.28 MzDiff: `3.8 ppm`	Dihomolinoleate (20:2n6) (BioDeep_00000002832) Formula: C20H36O2 (308.2715)	13.82 (100%)	Homo sapiens [UBERON:0001043] esophagus
MSI_000047838 Unreliable	309.2782	309.2782 ~ 309.2782 MzDiff: `none`	Dihomolinoleate (20:2n6) (BioDeep_00000002832) Formula: C20H36O2 (308.2715)	2.07 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000047842 Unreliable	309.2855	309.2855 ~ 309.2855 MzDiff: `none`	Dicyclomine (BioDeep_00000002372) Formula: C19H35NO2 (309.2668)	2.06 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000051664 Unreliable	309.2837	309.2837 ~ 309.2837 MzDiff: `none`	Ethylene brassylate (BioDeep_00000036175) Formula: C15H26O4 (270.1831)	2.74 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000051699 Unreliable	309.2761	309.2761 ~ 309.2761 MzDiff: `none`	Dihomolinoleate (20:2n6) (BioDeep_00000002832) Formula: C20H36O2 (308.2715)	2.59 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000056103 Unreliable	309.2804	309.28 ~ 309.2808 MzDiff: `3.4 ppm`	Dihomolinoleate (20:2n6) (BioDeep_00000002832) Formula: C20H36O2 (308.2715)	1.14 (100%)	Homo sapiens [UBERON:0007779] transudate
MSI_000065486 Unreliable	309.28	309.28 ~ 309.28 MzDiff: `none`	Dihomolinoleate (20:2n6) (BioDeep_00000002832) Formula: C20H36O2 (308.2715)	1.89 (100%)	Homo sapiens [UBERON:0001155] colon

Found 5 Sample Hits

Metabolite	Species	Sample
Dicyclomine Formula: C19H35NO2 (309.2668) Adducts: [M-H2O+NH4]+ (Ppm: 14.6)	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).
Dicyclomine Formula: C19H35NO2 (309.2668) Adducts: [M-H2O+NH4]+ (Ppm: 14.6)	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).
Ethylene brassylate Formula: C15H26O4 (270.1831) Adducts: [M+K]+ (Ppm: 9.2)	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).
Ethylene brassylate Formula: C15H26O4 (270.1831) Adducts: [M+K]+ (Ppm: 8.6)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description
Dihomolinoleate (20:2n6) Formula: C20H36O2 (308.2715) Adducts: [M+H]+ (Ppm: 6.5)	Homo sapiens (esophagus)	LNTO26_7_2 Resolution: 17μm, 135x101 Description