( ( ( AMINES ( Alkyl derivatives ) ) ( of ammonia ) ) ( ( are ( called amines ) ) . ) )
(ROOT (S (NP (NP (NNP AMINES) (NNP Alkyl) (NNS derivatives)) (PP (IN of) (NP (NN ammonia)))) (VP (VBP are) (VP (VBN called) (NP (NNS amines)))) (. .)))
AMINES Alkyl derivatives of ammonia are called amines.
(ROOT (S (NP (DT An) (NN amine)) (VP (VBZ is) (NP (NP (DT an) (JJ organic) (NN compound)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB be) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (NP (NP (DT a) (NN derivative)) (PP (IN of) (NP (NN ammonia)))))))))))))) (. .)))
An amine is an organic compound that can be considered to be a derivative of ammonia.