2-Decyl-1,3-diethyl-2-thiopseudourea hydrochloride 5339-42-4 NSC 3517 Pseudourea, 2-decyl-1,3-diethyl-2-thio-, hydrochloride Pseudourea, 2-decyl-1,3-diethyl-2-thio-, monohydrochloride (8CI)