1-(2-chloroethyl)-3-(1-methyl-2-methoxy-ethyl)-3-(L-arabinopyranosyl)urea 、
二氧化氮 以1.0 g of 1-(2-chloroethyl)-1-nitroso-3-(1-methyl-2-methoxy-ethyl)-3-(L-arabinopyranosyl)urea are thereby obtained as yellow caramel的产率得到1-(2-chloroethyl)-1-nitroso-3-(1-methyl-2-methoxy-ethyl)-3-(L-arabinopyranosyl)urea