( ( ( Alkylation ( of ( ( Phosphate Group ) ( of Nucleotide ) ) ) ) ( via ( ( ( Tributylstannyl ( Phosphate Derivatives ) ) , ) Chem ) ) ) . )
(ROOT (NP (NP (NNP Alkylation)) (PP (IN of) (NP (NP (NNP Phosphate) (NNP Group)) (PP (IN of) (NP (NNP Nucleotide))))) (PP (IN via) (NP (NP (NNP Tributylstannyl) (NNP Phosphate) (NNP Derivatives)) (, ,) (NP (NNP Chem)))) (. .)))
Alkylation of Phosphate Group of Nucleotide via Tributylstannyl Phosphate Derivatives, Chem.
(ROOT (S (NP (JJ Phosphate) (NNS groups)) (VP (VBP are) (VP (VBN found) (PP (IN within) (NP (NNS phospholipids) (CC and) (NNS nucleotides))))) (. .)))