1.

肺癌及其它肺部疾病患者血清质谱峰保留时间，物质名称及符合度列表

Serum metabolites of lung cancer and other lung diseases

Retention time (min)	Metabolites	Match percent (%)
5.351	Acetic acid	82
5.787	Pyruvate	89
5.815	Lactate	90
5.997	2-Hydroxy butanate	90
6.096	2-Hydroxybutyric	92
6.108	3-Hydroxy butanate	87
6.175	Pentanoate	98
6.387	Ethanedioic acid	84
6.636	Alanine	86
6.919	Valine	94
7.018	Testosterone	78
7.383	Glyceral	82
7.671	Xylitol	80
8.666	Urea	94
9.153	Leucine	91
9.226	Phosphric acid	98
9.472	Isoleucine	87
9.529	Proline	95
9.661	Glycine	91
10.121	Amber acid	97
10.405	Serine	83
10.775	Threonine	91
11.065	Creatinine	83
11.354	Dimethoxyphenylethylamine	72
11.592	Malonic acid	83
12.258	Aminomalonic acid	95
12.563	Propionic acid	91
13.931	Phenylalanine	91
14.142	Xylose	82
14.238	Maleic acid	82
14.375	Propylamine	81
14.685	Aspartic acid	83
16.034	Glutaminate	87
16.739	Ornithine	96
16.835	Citrate	87
17.014	Ribitol	78
17.378	Galctofuranose	78
18.037	Glucose	95
18.254	Mannose	90
18.366	Lysine	90
18.762	Tyrosine	91
18.962	Gulonic acid	90
19.161	Nuceic acid	99
19.546	Glucopyranose	94
20.146	Hexadecanoic acid	98
21.371	Cyclohexanhexol	90
21.497	Uric acid	93
21.741	Heptadecanoic acid	95
22.650	Tryptophane	90
22.816	9, 12-Octadecadienoic acid	81
23.154	Trans-9-Octadecenoic acid	80
23.342	Octadecanoic acid	91
25.485	Arachidonic acid	93
29.473	Glucitol	83
32.282	VitaminE	95
32.567	Benzoic acid	85
33.089	Cholesterol	96