5339-46-8 Carbamimidothioic acid, N,N'-diethyl-, hexadecyl ester, monohydriodide NSC3523 Pseudourea, 1,3-diethyl-2-hexadecyl-2-thio-, hydriodide Pseudourea, 1,3-diethyl-2-hexadecyl-2-thio-, monohydriodide WLN: 16SYM2&UN2 &IH