4-03-00-00054 (Beilstein Handbook Reference) 592-35-8 AI3-28289 BRN 1744776 Butyl carbamate CCRIS 5069 Carbamic acid, butyl ester EINECS 209-751-0 HSDB 5498 N-BUTYL CARBAMATE NSC 187 USAF EL-101 USAF FO-1