1,3-Diethyl-2-tetradecyl-2-thiopseudourea hydrochloride 5339-44-6 Carbamimidothioic acid, N,N'-diethyl-, tetradecyl ester, monohydrochloride (9CI) NSC 3521 Pseudourea, 1,3-diethyl-2-tetradecyl-2-thio-, hydrochloride Pseudourea, 1,3-diethyl-2-tetradecyl-2-thio-, monohydrochloride (8CI)