( Glucose ( -LRB- ( ( ( ( ( ( C6 ( H12 ( O6 -RRB- ) ) ) , ) ( Sugar ( -LRB- ( ( C12 ( H22 O11 ) ) -RRB- ) ) ) ) and ) ( Starch ( -LRB- ( C6 ( H10 O5 ) ) ) ) ) -RRB- ) ) )
(ROOT (NP (NP (NNP Glucose)) (PRN (-LRB- -LRB-) (NP (NP (NNP C6) (NNP H12) (NNP O6) (-RRB- -RRB-)) (, ,) (NP (NP (NNP Sugar)) (PRN (-LRB- -LRB-) (NP (NNP C12) (NNP H22) (NNP O11)) (-RRB- -RRB-))) (CC and) (NP (NNP Starch) (-LRB- -LRB-) (NN C6) (NNP H10) (NN O5))) (-RRB- -RRB-))))
Glucose (C6 H12 O6), Sugar (C12 H22 O11)  and Starch (C6 H10 O5)
(ROOT (S (NP (CD C6) (JJ h12) (NNS o6)) (VP (VBZ is) (NP (NP (DT the) (JJ chemical) (NN formula)) (PP (IN for) (NP (DT a) (NN glucose) (NN molecule))))) (. .)))