RFCNU

N-(2-Chloroethyl)-1-ribofuranosyl-2',3'-isopropylidene-5'-(p-nitrobenzoate)-3-nitrosourea

Urea, N-(2-chloroethyl)-N'-(2,3-o-(1-methylethylidene)-5-o-(4-nitrobenzoyl)ribofuranosyl)-N-nitroso-

1-(2-Chloroethyl)-3-(1'-(5'-4-nitrobenzoyl-2',3'-isopropylidene)-alpha,beta-D-ribofuranosyl)-1-nitrosourea