( Amines ( , ( ( amides ( , ( nitriles ( and ( nitro groups ) ) ) ) ) ( ( can ( be ( eliminated ( if ( ( the molecule ) ( ( does not ) ( contain ( any nitrogen ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Amines)) (, ,) (NP (NNS amides) (, ,) (NNS nitriles) (CC and) (NN nitro) (NNS groups)) (VP (MD can) (VP (VB be) (VP (VBN eliminated) (SBAR (IN if) (S (NP (DT the) (NN molecule)) (VP (VBZ does) (RB not) (VP (VB contain) (NP (DT any) (NN nitrogen))))))))) (. .)))
Amines, amides, nitriles and nitro groups can be eliminated if the molecule does not contain any nitrogen.
(ROOT (S (NP (DT The) (NN term) (NNS amines)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB describe) (NP (NP (NNS molecules)) (SBAR (WHNP (WDT that)) (S (VP (VBP contain) (NP (JJ carbon-nitrogen) (NNS bonds))))))))))) (. .)))