2782-91-4 InChI=1/C5H12N2S/c1-6(2)5(8)7(3)4/h1-4H N,N,N',N'-tetramethylthiourea UREA,1,1,3,3-TETRAMETHYL,2-THIO thiourea, N,N,N',N'-tetramethyl-