1-(1-Hydroxy-2-butyl)-3-(1-naphthyl)urea 1-(1-Hydroxymethylpropyl)-3-(1-naphthyl)urea 100957-91-3 4-12-00-03079 (Beilstein Handbook Reference) BRN 3332271 Urea, 1-(1-hydroxy-2-butyl)-3-(1-naphthyl)-