M/Z: 748.537

Hit 3 annotations: Azithromycin_[M-H2O+NH4]+; PG(18:1(9Z)/16:0)_[M-H2O+NH4]+; PS(O-20:0/14:1(9Z))_[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 13 Reference Ions Near m/z 748.537

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000043279 Reliable	748.5296	748.5293 ~ 748.5298 MzDiff: `2.3 ppm`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	14.72 (100%)	Homo sapiens [UBERON:0001043] esophagus
MSI_000043419 Reliable	748.5307	748.53 ~ 748.531 MzDiff: `4.1 ppm`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	9.23 (100%)	Homo sapiens [UBERON:0001043] esophagus
MSI_000046899 Unreliable	748.5271	748.5271 ~ 748.5271 MzDiff: `none`	PE(P-16:0/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) (BioDeep_00000018581) Formula: C43H74NO7P (747.5203)	3.17 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000046910 Unreliable	748.5339	748.5339 ~ 748.5339 MzDiff: `none`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	3.16 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000047041 Unreliable	748.5408	748.5408 ~ 748.5408 MzDiff: `none`	PG(18:1(9Z)/16:0) (BioDeep_00000027459) Formula: C40H77O10P (748.5254)	2.94 (100%)	Homo sapiens [UBERON:0013067] colorectal mucosa
MSI_000051736 Unreliable	748.5301	748.5301 ~ 748.5301 MzDiff: `none`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	2.51 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000051744 Unreliable	748.537	748.537 ~ 748.537 MzDiff: `none`	PS(O-20:0/14:1(9Z)) (BioDeep_00000182695) Formula: C40H78NO9P (747.5414)	2.5 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000052413 Unreliable	748.5439	748.5439 ~ 748.5439 MzDiff: `none`	DG(13:0/LTE4/0:0) (BioDeep_00000219884) Formula: C39H67NO8S (709.4587)	2.05 (100%)	Homo sapiens [UBERON:0001052] rectum
MSI_000057559 Unreliable	748.5294	748.5294 ~ 748.5295 MzDiff: `0.2 ppm`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	0.69 (100%)	Homo sapiens [UBERON:0007779] transudate
MSI_000065333 Unreliable	748.5295	748.5294 ~ 748.5296 MzDiff: `1.1 ppm`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	2.78 (100%)	Homo sapiens [UBERON:0001155] colon
MSI_000056721 Unreliable	748.5274	748.5273 ~ 748.5274 MzDiff: `0.5 ppm`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	2.94 (100%)	Homo sapiens [UBERON:0001043] esophagus
MSI_000049846 Unreliable	748.5331	748.5331 ~ 748.5331 MzDiff: `none`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	1.48 (100%)	Mytilus edulis [UBERON:0009120] gill filament
MSI_000056081 Unavailable	748.5335	748.5335 ~ 748.5335 MzDiff: `none`	Azithromycin (BioDeep_00000002907) Formula: C38H72N2O12 (748.5085)	-0.54 (100%)	Homo sapiens [UBERON:0007779] transudate

Found 8 Sample Hits

Metabolite	Species	Sample
Azithromycin Formula: C38H72N2O12 (748.5085) Adducts: [M-H2O+NH4]+ (Ppm: 2.9)	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).
PG(18:1(9Z)/16:0) Formula: C40H77O10P (748.5254) Adducts: [M-H2O+NH4]+ (Ppm: 10.5)	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).
Azithromycin Formula: C38H72N2O12 (748.5085) Adducts: [M-H2O+NH4]+ (Ppm: 2.7)	Mytilus edulis (mantle)	20190201_MS38_Crassostrea_Mantle_350-1500_DHB_pos_A28_10um_270x210 Resolution: 10μm, 270x210 Description
Azithromycin Formula: C38H72N2O12 (748.5085) Adducts: [M-H2O+NH4]+ (Ppm: 1.8)	Mytilus edulis (gill)	20190202_MS38_Crassostrea_Gill_350-1500_DHB_pos_A25_11um_305x210 Resolution: 11μm, 305x210 Description single cell layer `class_4` is the gill structure cells, metabolite ion 534.2956 is the top representive ion of this type of cell
PS(O-20:0/14:1(9Z)) Formula: C40H78NO9P (747.5414) Adducts: [M+H]+ (Ppm: 14.8)	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).
PS(O-20:0/14:1(9Z)) Formula: C40H78NO9P (747.5414) Adducts: [M+H]+ (Ppm: 15.6)	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).
PS(O-20:0/14:1(9Z)) Formula: C40H78NO9P (747.5414) Adducts: [M+H]+ (Ppm: 17.1)	Homo sapiens (NA)	160TopL,130TopR,150BottomL,140BottomR-profile Resolution: 17μm, 142x136 Description
Azithromycin Formula: C38H72N2O12 (748.5085) Adducts: [M-H2O+NH4]+ (Ppm: 2.3)	Homo sapiens (esophagus)	LNTO26_7_2 Resolution: 17μm, 135x101 Description