[5-(tert-butylcarbamoyloxymethyl)furan-2-yl]methyl N-tert-butylcarbamate;[5-(carbamoyloxymethyl)furan-2-yl]methyl carbamate;[5-[(chloro-lambda3-chloranylidene)carbamoyloxymethyl]furan-2-yl]methyl N-(chloro-lambda3-chloranylidene)carbamate;[5-(diaminophosphorylcarbamoyloxymethyl)furan-2-yl]methyl N-diaminophosphorylcarbamate;ethyl N-[[5-(ethoxymethylidenecarbamoyloxymethyl)furan-2-yl]methoxycarbonyl]methanimidate;[5-[(4-formylphenyl)carbamoyloxymethyl]furan-2-yl]methyl N-(4-formylphenyl)carbamate;[5-(methoxycarbonyloxymethyl)furan-2-yl]methyl methyl carbonate;[5-(2-methylprop-2-enoylcarbamoyloxymethyl)furan-2-yl]methyl N-(2-methylprop-2-enoyl)carbamate;[5-(sulfinylcarbamoyloxymethyl)furan-2-yl]methyl N-sulfinylcarbamate;[5-[(2,2,2-trifluoroacetyl)carbamoyloxymethyl]furan-2-yl]methyl N-(2,2,2-trifluoroacetyl)carbamate