3-(Methylsulfonyl)-2-oxo-1-imidazolidinecarbonyl chloride41762-76-9100 % similar 4-Ethyl-2,3-dioxo-1-piperazinecarbonyl chloride59703-00-337 % similar 1-(Methylsulfonyl)-2-imidazolidinone41730-79-434 % similar N-Ethyl-N-methylcarbamic chloride42252-34-632 % similar 2-Oxo-1-imidazolidinecarbonyl chloride13214-53-432 % similar 1-Pyrrolidinecarbonyl chloride1192-63-831 % similar Diethylcarbamoyl chloride88-10-831 % similar