( ( ( Organic chemists ) ( who ( synthesize ( ( ( elements or ) ( simple compounds ) ) ( to ( create ( ( new ( ( compounds or ) substances ) ) ( that ( have ( different ( ( properties and ) applications ) ) ) ) ) ) ) ) ) ) ) ( ( have ( developed ( ( ( ( many ( commercial products ) ) , ) ( such ( as ( drugs ( , ( plastics ( , ( and elastomers ) ) ) ) ) ) ) ) ( -LRB- ( ( ( elastic substances ) ( similar ( to rubber ) ) ) -RRB- ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Organic) (NNS chemists)) (SBAR (WHNP (WP who)) (S (VP (VB synthesize) (S (NP (NP (NNS elements)) (CC or) (NP (JJ simple) (NNS compounds))) (VP (TO to) (VP (VB create) (NP (NP (JJ new) (NNS compounds) (CC or) (NNS substances)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (JJ different) (NNS properties) (CC and) (NNS applications))))))))))))) (VP (VBP have) (VP (VBN developed) (NP (NP (NP (JJ many) (JJ commercial) (NNS products)) (, ,) (PP (JJ such) (IN as) (NP (NNS drugs) (, ,) (NNS plastics) (, ,) (CC and) (NNS elastomers)))) (PRN (-LRB- -LRB-) (S (NP (JJ elastic) (NNS substances)) (ADJP (JJ similar) (PP (TO to) (NP (NN rubber))))) (-RRB- -RRB-))))) (. .)))
Organic chemists who synthesize elements or simple compounds to create new compounds or substances that have different properties and applications have developed many commercial products, such as drugs, plastics, and elastomers (elastic substances similar to rubber).
(ROOT (S (NP (NP (NNS Substances)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (RB not) (VP (VB be) (VP (VBN broken) (PRT (RP down)) (PP (IN into) (NP (NP (JJR simpler) (NNS substances)) (PP (IN with) (NP (JJ different) (NNS properties))))))))))) (VP (VBP are) (VP (VBN called) (NP (NNS elements)))) (. .)))