1-Methyl-2-thiourea 1-Methylthiocarbamide 1-Methylthiourea 598-52-7 AI3-52471 EINECS 209-936-6 Methyl thiourea Methyl-2-thiourea Methylthiocarbamide Methylthiourea Monomethylthiourea N-METHYLTHIOUREA N-Methylthiocarbamide NSC 30213 Pseudourea, 1-methyl-2-thio- (7CI) Thiourea, methyl- (9CI) Thourea, methyl- (9CI) Urea, 1-methyl-2-thio-