M/Z: 731.1748

Hit 3 annotations: Procyanidin B2 3-gallate_[M+H]+; selenodiglutathione_[M+K]+; Delphinidin 3-(6-malonylglucoside)-5-glucoside_[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 731.1748

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000007067 Reliable	731.1749	731.1748 ~ 731.175 MzDiff: `1.0 ppm`	selenodiglutathione (BioDeep_00000012456) Formula: C20H32N6O12S2Se (692.0685)	5.45 (50%)	Rattus norvegicus [UBERON:0004359] corpus epididymis
MSI_000008837 Reliable	731.1749	731.1748 ~ 731.175 MzDiff: `1.0 ppm`	selenodiglutathione (BioDeep_00000012456) Formula: C20H32N6O12S2Se (692.0685)	10.12 (50%)	Rattus norvegicus [UBERON:0004360] cauda epididymis
MSI_000007242 Reliable	731.1838	731.1836 ~ 731.184 MzDiff: `1.6 ppm`	Not Annotated	5.68 (0%)	Rattus norvegicus [UBERON:0004359] corpus epididymis
MSI_000020673 Unreliable	731.1838	731.1836 ~ 731.184 MzDiff: `1.6 ppm`	Not Annotated	4.5 (0%)	Rattus norvegicus [UBERON:0004360] cauda epididymis

Found 11 Sample Hits

Metabolite	Species	Sample
Procyanidin B2 3-gallate Formula: C37H30O16 (730.1534) Adducts: [M+H]+ (Ppm: 19.9)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito03_18 Resolution: 17μm, 208x104 Description
Procyanidin B2 3-gallate Formula: C37H30O16 (730.1534) Adducts: [M+H]+ (Ppm: 19.6)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito08_43 Resolution: 17μm, 298x106 Description
Procyanidin B2 3-gallate Formula: C37H30O16 (730.1534) Adducts: [M+H]+ (Ppm: 19.6)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito08_44 Resolution: 17μm, 299x111 Description
m/z_731.1749 Formula: - (n/a) Adducts: (Ppm: 0)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito08_46 Resolution: 17μm, 298x106 Description
selenodiglutathione Formula: C20H32N6O12S2Se (692.0685) Adducts: [M+K]+ (Ppm: 11.7)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito08_47 Resolution: 17μm, 301x111 Description
selenodiglutathione Formula: C20H32N6O12S2Se (692.0685) Adducts: [M+K]+ (Ppm: 11.7)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito08_48 Resolution: 17μm, 294x107 Description
selenodiglutathione Formula: C20H32N6O12S2Se (692.0685) Adducts: [M+K]+ (Ppm: 11.9)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito01_04 Resolution: 17μm, 178x91 Description
Procyanidin B2 3-gallate Formula: C37H30O16 (730.1534) Adducts: [M+H]+ (Ppm: 19.6)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito01_03 Resolution: 17μm, 159x110 Description
m/z_731.175 Formula: - (n/a) Adducts: (Ppm: 0)	Rattus norvegicus (normal)	epik_dhb_head_ito01_05 Resolution: 17μm, 183x105 Description
m/z_731.1748 Formula: - (n/a) Adducts: (Ppm: 0)	Rattus norvegicus (Epididymis)	epik_dhb_head_ito03_14 Resolution: 17μm, 205x103 Description
Delphinidin 3-(6-malonylglucoside)-5-glucoside Formula: C30H33O20 (713.1565) Adducts: [M+NH4]+ (Ppm: 15.4)	Mytilus edulis (mantle)	20190216_MS38_Mytilus_mantle_350-1500_DHB_pos_A26_10um_275x210 Resolution: 10μm, 275x210 Description