1,1-Diphenyl-2-thiourea 1,1-Diphenylthiourea 3898-08-6 AI3-24939 EINECS 223-448-0 N,N-Diphenylthiourea NSC 49187 Thiourea, N,N-diphenyl- USAF EK-7087 Urea, 1,1-diphenyl-2-thio- Urea, 1,1-diphenylthio-