after oral or i.v . administration of the glutathione , cysteinylglycine , cysteine or n-acetylcysteine conjugates of benzyl isothiocyanate to guinea-pigs , the major metabolite in urine was 4-hydroxy-4-carboxy-3-benzylthiazolidin-2-thione , with the n-acetylcysteine conjugate of benzyl isothiocyanate present in traces only .
C0010654
cysteine
C0001047
n-acetylcysteine