( Dinitrofluorobenzene ( ( ( reacts ( with ( ( the ( amine group ) ) ( in ( amino acids ) ) ) ) ) ( to ( produce ( dinitrophenyl-amino acids ) ) ) ) . ) )
(ROOT (S (NP (NNP Dinitrofluorobenzene)) (VP (VBZ reacts) (PP (IN with) (NP (NP (DT the) (JJ amine) (NN group)) (PP (IN in) (NP (JJ amino) (NNS acids))))) (S (VP (TO to) (VP (VB produce) (NP (JJ dinitrophenyl-amino) (NNS acids)))))) (. .)))
Dinitrofluorobenzene reacts with the amine group in amino acids to produce dinitrophenyl-amino acids.
(ROOT (S (NP (NNP Amino) (NNS acids)) (VP (VBP contain) (NP (PDT both) (NP (DT a) (JJ carboxylic) (JJ acid) (NN group)) (CC and) (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (JJ amine) (NN group)))) (. .)))