| 0 | 1 variableMetadata	name | 
|  | 2 HMDB03193	Testosterone_glucuronide | 
|  | 3 HMDB01101	p-Anisic_acid | 
|  | 4 HMDB01101	p-Anisic_acid_2 | 
|  | 5 HMDB10348	Dehydroepiandrosterone_3-glucuronide | 
|  | 6 HMDB59717	Glu-Val | 
|  | 7 HMDB00822	p-Hydroxymandelic_acid | 
|  | 8 HMDB13189	3-Indole_carboxylic_acid_glucuronide | 
|  | 9 HMDB00299	Xanthosine | 
|  | 10 HMDB00191	L-Aspartic_acid | 
|  | 11 HMDB00518	Chenodeoxycholic_acid | 
|  | 12 HMDB00715	Kynurenic_acid | 
|  | 13 HMDB01032	Dehydroepiandrosterone_sulfate | 
|  | 14 HMDB00208	Oxoglutaric_acid | 
|  | 15 HMDB04824	N2,N2-Dimethylguanosine | 
|  | 16 HMDB00512	N-Acetyl-L-phenylalanine | 
|  | 17 HMDB00251	Taurine |