L-methyl-selenocysteine, methyl selenocysteine, methylselenocysteine, Se-methyl-selenocysteine, Se-methylselenocysteine, selenohomocysteine, selenomethylselenocysteine, selenomethylselenocysteine, (D,L)-isomer, selenomethylselenocysteine, (L)-isomer, selenomethylselenocysteine, (L)-isomer, 75Se-labeled, SeMCys