The molecule is a member of the class of phenylureas that is N-(2-methoxyphenyl)urea in which one of the two protons on the free NH2 function has been replaced by a 2-naphthyl group. It is a member of naphthalenes, a member of phenylureas and a monomethoxybenzene.
1-(2-methoxyphenyl)-3-naphthalen-2-ylurea