M/Z: 678.0933

Hit 2 annotations: Norbadione A_[M-H2O+NH4]+; UDP-N-acetylglucosamine enolpyruvate_[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 1 Reference Ions Near m/z 678.0933

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000055251 Unreliable	678.0941	678.0941 ~ 678.0941 MzDiff: `none`	UDP-N-acetylglucosamine enolpyruvate (BioDeep_00000005596) Formula: C20H29N3O19P2 (677.087)	1.48 (100%)	MALDI - DHB [NOVOCELL:BACKGROUND] blank

Found 5 Sample Hits

Metabolite	Species	Sample
Norbadione A Formula: C35H18O15 (678.0646) Adducts: [M-H2O+NH4]+ (Ppm: 6.3)	Homo sapiens (Liver)	20171107_FIT4_DHBpos_p70_s50 Resolution: 50μm, 70x70 Description
UDP-N-acetylglucosamine enolpyruvate Formula: C20H29N3O19P2 (677.087) Adducts: [M+H]+ (Ppm: 0.3)	Mytilus edulis (mantle)	20190201_MS38_Crassostrea_Mantle_350-1500_DHB_pos_A28_10um_270x210 Resolution: 10μm, 270x210 Description
UDP-N-acetylglucosamine enolpyruvate Formula: C20H29N3O19P2 (677.087) Adducts: [M+H]+ (Ppm: 1.2)	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
UDP-N-acetylglucosamine enolpyruvate Formula: C20H29N3O19P2 (677.087) Adducts: [M+H]+ (Ppm: 1.4)	Mytilus edulis (mantle)	20190216_MS38_Mytilus_mantle_350-1500_DHB_pos_A26_10um_275x210 Resolution: 10μm, 275x210 Description
Norbadione A Formula: C35H18O15 (678.0646) Adducts: [M-H2O+NH4]+ (Ppm: 8.1)	Drosophila melanogaster (brain)	Drosophila18 Resolution: 5μm, 686x685 Description Sample information Organism: Drosophila melanogaster Organism part: Brain Condition: Healthy Sample preparation Sample stabilisation: Frozen Tissue modification: Frozen MALDI matrix: 2,5-dihydroxybenzoic acid (DHB) MALDI matrix application: TM sprayer Solvent: Aceton/water MS analysis Polarity: Positive Ionisation source: Prototype Analyzer: Orbitrap Pixel size: 5μm × 5μm Annotation settings m/z tolerance (ppm): 3 Analysis version: Original MSM Pixel count: 469910 Imzml file size: 696.23 MB Ibd file size: 814.11 MB