( It ( ( ( may also ) ( be ( ( ( ( prepared , ) ( in ( ( the form ) ( of ( its ( acetyl derivative ) ) ) ) ) ) , ) ( by ( ( heating 1-naphthol ) ( with ( ( ( ( ( sodium acetate ) , ) ( ammonium chloride ) ) and ) ( acetic acid ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (PRP It)) (VP (MD may) (ADVP (RB also)) (VP (VB be) (VP (VBN prepared) (, ,) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (PRP$ its) (JJ acetyl) (NN derivative))))) (, ,) (PP (IN by) (S (VP (VBG heating) (ADJP (JJ 1-naphthol)) (PP (IN with) (NP (NP (NN sodium) (NN acetate)) (, ,) (NP (NN ammonium) (NN chloride)) (CC and) (NP (JJ acetic) (NN acid)))))))))) (: ;)))
It may also be prepared, in the form of its acetyl derivative, by heating 1-naphthol with sodium acetate, ammonium chloride and acetic acid;
(ROOT (S (NP (PRP You)) (VP (MD can) (VP (VB find) (NP (NN sodium) (NN acetate)) (PP (IN in) (NP (DT a) (NN heat) (NN pack))))) (. .)))