| AcSer | acetylserine |
| Agm | agmatine |
| Bu | butanoic acid |
| Hex | hexanoic acid |
| Hpla | hydroxyphenyl lactic acid |
| Hph | homophenylalanine |
| Hty | homotyrosine |
| MePro | metylproline |
| MetO | methionine sufloxide |
| Met(O2) | methionine sulfone |
| MeHty | methylhomotyrosine |
| Oct | octanoic acid |