N'-(4,6-dimethyl-pyrimidin-2-yl)-N-methoxy-N,N'-bis-(2-chlorobenzenesulphonyl)-guanidine
N'-(4,6-dimethyl-pyrimidin-2-yl)-N-methoxy-N'-(2-chloro-benzenesulphonyl)guanidine
N'-(4,6-dimethylpyrimidin-2-yl)-N-(2-methoxyaminosulphonylphenylsulphonyl)-S-methyl-isothiourea
N'-(4,6-dimethyl-pyrimidin-2-yl)-N-methoxy-N'-(2-methoxycarbonyl-benzenesulphonyl)guanidine