16914-92-4 Carbamimidothioic acid, hexadecyl ester, monohydrobromide (9CI) NSC 3506 Pseudourea, 2-hexadecyl-2-thio-, hydrobromide Pseudourea, 2-hexadecyl-2-thio-, monohydrobromide (8CI) S-Hexadecylisothiuronium bromide