2-Aminoethanesulfinic acid:  an intermediate in the oxidation of cysteine in vivo.
D000143:Acids; D003545:Cysteine / Q000378:metabolism*; D008099:Liver / Q000378:metabolism*; D010084:Oxidation-Reduction; D013654:Taurine / Q000031:analogs & derivatives
D000143:Acids; D013654:Taurine; C003949:hypotaurine; D003545:Cysteine
ACIDS; CYSTEINE/metabolism; LIVER/metabolism