1-(2-Naphthyl)-2-thiourea 2-Naphthyl thiourea 3-12-00-03045 (Beilstein Handbook Reference) 3394-04-5 AI3-24027 BRN 0778343 EINECS 222-242-8 Thiourea, 2-naphthalenyl- (9CI) Urea, 1-(2-naphthyl)-2-thio- beta-Naphthylthiourea