|  Functional Class
 | 
| AK:alkyl chain
 | 
 | 
| AL:aldehyde
 | 
- BMFYS2AL0001 :  
 
 - BMFYS2ALd003 :  
 - Chloroacetaldehyde; 2-Chloroethanal; Chloro-acetaldehyde; 
   
 - BMFYS2ALe005 :  
 - Phosphonoacetaldehyde; 2-Phosphonoacetaldehyde; Phosphono-acetaldehyde; 
   
 - BMFYS2ALf006 :  
 - Sulfoacetaldehyde; 2-Sulfoacetaldehyde; Sulfo-acetaldehyde; 
   
 - BMFYS2ALm002 :  
 - Aminoacetaldehyde; Amino-acetaldehyde; 
   
 - BMFYS2ALq004 :  
 - Glycolaldehyde; Hydroxyacetaldehyde; 
   
  
 | 
| AM:amide
 | 
- BMFYS2AMm001 :  
 - N-Acetyldiamine; N-Acetyl-diamine; 
   
  
 | 
AN:amine or nitrogen containing (cyano, nitrile, nitro)
 | 
- BMFYS2ANe001 :  
 - Ciliatine; 2-Aminoethylphosphonic acid; 2-Aminoethylphosphonate; 
   
 - BMFYS2ANe005 :  
 - Ethanolamine phosphate; O-Phosphorylethanolamine; Phosphoethanolamine; O-Phospho-ethanolamine; 
   
 - BMFYS2ANf002 :  
 - Cysteamine; 2-Aminoethanethiol; beta-Aminoethanethiol; 
   
 - BMFYS2ANf004 :  
 - Hypotaurine; 2-Aminoethanesulfinic acid; 
   
 - BMFYS2ANf006 :  
 - Taurine; 2-Aminoethanesulfonic acid; Aminoethylsulfonic acid; 
   
 - BMFYS2ANm003 :  
 
  
 | 
| CA:carboxylic acid
 | 
- BMFYS2CA0001 :  
 - Acetate; Acetic acid; Ethanoic acid; 
   
 - BMFYS2CAa005 :  
 
 - BMFYS2CAd002 :  
 - Chloroacetic acid; Chloroethanoic acid; Chloro-acetic acid; 
   
 - BMFYS2CAe007 :  
 - 2-Phosphoglycolate; Phosphoglycolic acid; 
   
 - BMFYS2CAe008 :  
 - Phosphonoacetate; Phosphonoacetic acid; Fosfonet; Phosphono-acetic acid; 
   
 - BMFYS2CAf009 :  
 - Thioglycolate; Mercaptoacetic acid; Mercaptoethanoic acid; Thioglycolic acid; 
   
 - BMFYS2CAl006 :  
 - Oxamate; Oxalic monoamide; 2-Oxo-glycine ; 
   
 - BMFYS2CAo004 :  
 - Glyoxylate; Glyoxalate; Glyoxylic acid; 
   
 - BMFYS2CAq003 :  
 - Glycolate; Glycolic acid; Hydroxyacetic acid; 
   
  
 | 
| CE:coenzyme A
 | 
 | 
| DA:dicarboxylic acid
 | 
- BMFYS2DA0001 :  
 - Oxalate; Ethanedioic acid; 
   
  
 | 
| ES:ester
 | 
- BMFYS2ESa001 :  
 - Acetyl-CoA; Acetyl coenzyme A; 
   
  
 | 
| ET:ether
 | 
 | 
| HL:halogens
 | 
 | 
| HO:alcohol/hydroxy
 | 
- BMFYS2HO0001 :  
 - Ethanol; Ethyl alcohol; Methylcarbinol; 
   
 - BMFYS2HO0003 :  
 - Ethylene glycol; 1,2-Ethanediol; Ethane-1,2-diol; Glycol; 
   
 - BMFYS2HOf004 :  
 - 2-Hydroxyethanesulfonate; 2-Hydroxyethanesulfonic acid; 2-Hydroxyethane-1-sulfonic acid; Isethionic acid; 
   
 - BMFYS2HOm002 :  
 - Ethanolamine; 2-Hydroxyethylamine; 
   
  
 | 
| KT:ketone
 | 
- BMFYS2KTf001 :  
 - Thioacetate; Thioacetic acid; 
   
  
 | 
| MT:metals
 | 
 | 
| PH:phosphate
 | 
- BMFYS2PH0001 :  
 
  
 | 
| SA:semialdehyde
 | 
 | 
| SF:sulfur containing
 | 
- BMFYS2SFf001 :  
 - 2-Mercaptoethanesulfonate; CoM; Coenzyme M; 2-Mercapto-ethanesulfonate; 
   
  
 | 
| 
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