1071-37-0 133514-72-4 2-Ethyl-2-thiopseudourea hydrobromide 2-Ethylisothiourea hydrobomide 2-Ethylisothiourea hydrobromide 2986-20-1 Bromide S-ethylisothiuronium Carbamimidothioic acid, ethyl ester, monohydrobromide (9CI) Ethiron Ethiron bromide Etiron Isothuron hydrobromide Isothurone hydrobromide NSC 27208 Pseudourea, 2-ethyl-2-thio-, hydrobromide Pseudourea, 2-ethyl-2-thio-, monohydrobromide (8CI) S-Ethylisothiourea hydrobromide S-Ethylisothiouronium hydrobromide S-Ethylisothiuronium bromide S-Ethylthiuronium bromide USAF EL-18 WR 539