1,3-Diethyl-2-hexadecyl-2-thiopseudourea hydriodide 5339-46-8 Carbamimidothioic acid, N,N'-diethyl-, hexadecyl ester, monohydriodide (9CI) NSC 3523 Pseudourea, 1,3-diethyl-2-hexadecyl-2-thio-, hydriodide Pseudourea, 1,3-diethyl-2-hexadecyl-2-thio-, monohydriodide (8CI)