n- ( 2-mercapto-2-methylpropionyl ) -l-cysteine ( sa 96 ) , an antirheumatic agent , and the main metabolite of sa 96 , n- [ 2-methyl-2- ( methylthio ) propionyl ] -l-cysteine ( sa 679 ) , were investigated for the effects on vitamin b6 ( vb6 ) , metals and skin collagen in rats in comparison with d-penicillamine ( d-pc ) .
C0003191
antirheumatic agent
C0030817
d-penicillamine