Newly discovered microbially conjugated bile acids. The method can identify the compounds using authentic standards, however exact quantification is not possible at this time.
Bile acids:
 CA
 CDCA
 DCA
 HDCA
 UDCA
Conjugated to:
 Ala
 Arg
 Asn
 Asp
 Citrulline
 Cys
 Gln
 Glu
 His
 Ileu/Leu
 L-OPDA
 Lys
 Met
 Ornithine
 Phe
 Pro
 Ser
 Thr
 Trp
 Tyr
 Val
 