1,3-Di-N-butyl-2-thiourea 1,3-Dibutyl-2-thiourea 1,3-Dibutylthiourea 109-46-6 30551-64-5 4-04-00-00585 (Beilstein Handbook Reference) AI3-08621 BRN 0507434 EINECS 203-674-6 N,N'-DIBUTYLTHIOUREA NSC 3735 Pennzone B Thiate U Thiourea, N,N'-dibutyl- USAF EK-2138 Urea, 1,3-di-N-butyl-2-thio- Urea, 1,3-dibutyl-2-thio- Urea,1,3-dibutyl-2-thio- (8CI)