N1A1P3H4T1O1L1S1
13 points
NAPHTOLS is validvalid
NAPHTOL, naphthol
NAPHTOL, any one of a series of hydroxyl derivatives of naphthalene, analogous to phenol, also NAPHTHOL
NAPHTOL, naphthol
NAPHTOL, any one of a series of hydroxyl derivatives of naphthalene, analogous to phenol, also NAPHTHOL