xylulose NIST
xylose
valine
uridine
uric acid
urea
tyrosine
tryptophan
trans-4-hydroxyproline
tocopherol gamma-
tocopherol alpha-
threonine
threonic acid 
threitol
taurine
sucrose
succinic acid
stearic acid
shikimic acid
serine
pyrophosphate
pseudo uridine
proline
phosphate
phenylethylamine
phenylalanine
pelargonic acid
parabanic acid NIST
palmitoleic acid
palmitic acid
p-cresol
oxoproline
oxalic acid
ornithine
oleic acid
nicotinic acid
N-methylalanine
N-acetylornithine
N-acetylmannosamine
N-acetylglycine NIST
myristic acid
myo-inositol
methionine sulfoxide
methionine
methanolphosphate
mannose
malic acid
lyxitol
lysine
linoleic acid
leucine
lauric acid
lactic acid
isothreonic acid
isoleucine
isoheptadecanoic acid NIST
isocitric acid
indole-3-lactate
indole-3-acetate
hydroxylamine
hydroxycarbamate NIST
histidine
hippuric acid
hexuronic acid
hexonic acid
hexitol
heptadecanoic acid
glycolic acid
glycine
glycerol-alpha-phosphate
glycerol
glyceric acid
glutamine
glutamic acid
glucose
fumaric acid
fructose
ethanolamine
erythritol
dehydroabietic acid
cystine
creatinine
citric acid
cholesterol
capric acid
"butane-2,3-diol NIST"
beta-alanine
benzoic acid
behenic acid
asparagine
arachidonic acid
arachidic acid
aminomalonate
alloxanoic acid NIST
alanine
acetoacetate
3-hydroxybutyric acid
3-hydroxybutanoic acid
"2,4-diaminobutyric acid"
"2,3-dihydroxypyridine"
2-ketoisocaproic acid
2-hydroxyvaleric acid
2-hydroxybutanoic acid
2-deoxytetronic acid NIST
2-deoxyerythritol
"1,5-anhydroglucitol"
102978
102941
102616
102070
101035
100768
100584
97326
95407
93947
91421
88502
87822
87720
84223
64546
53724
50367
49400
47170
46362
46140
45353
42357
42187
41938
41895
41808
41697
41691
41689
37742
37741
33415
32247
31460
31408
31359
31357
31285
31182
31169
26746
23635
21885
21763
21666
21664
21513
20903
18225
17664
17651
17068
16561
11820
11481
9320
7403
6646
6579
6574
6376
6330
6104
5968
5930
5900
5721
5346
5259
4986
4985
4983
4971
4948
4945
4943
4942
4941
4938
4937
4933
4929
4928
4926
4925
4922
4877
4871
4577
4543
4533
4292
4203
3465
3329
3301
3258
3086
3085
3083
3082
2944
2097
2095
2081
2063
2061
2039
1912
1878
1875
1872
1709
1704
1700
1675
1482
1380
1177
1173
1064
1029
892
816
592
573
552
487
479
477
473
462
453
448
307
299
257
236
168
137
134
110
99
98
91
62
61
54
47
39