the use of n-methyl-n- ( t-butyldimethylsilyl ) trifluoroacetamide to prepare the t-butyldimethylsilyl derivatives of a number of organic compounds ( selected amino acids , alpha-keto acids , ketone bodies , free fatty acids , urea , glycerol , lactate , and pyruvate ) is reported .
C0029224
organic compounds
C0041942
urea