(4-Hydroxyphenyl)urea (p-Hydroxyphenyl)urea 1566-41-2 4-13-00-01131 (Beilstein Handbook Reference) 4-Ureidophenol BRN 2803643 Urea, (4-hydroxyphenyl)- (9CI) Urea, (p-hydroxyphenyl)- p-Ureidophenol