The molecule is a tetracarboxylic acid that is an optically active twelve-membered tetraazamacrocycle having a carboxymethyl group attached to each of the nitrogens and a 4-substituted benzyl group at the 2-position. It has a role as an epitope. It is an azamacrocycle and a tetracarboxylic acid. It derives from a DOTA.
2-[(6S)-4,7,10-tris(carboxymethyl)-6-[[4-[[2-(2-hydroxyethylsulfanyl)acetyl]amino]phenyl]methyl]-1,4,7,10-tetrazacyclododec-1-yl]acetic acid