1-(2-chloroethyl)-3-cyclopropylmethyl-3-(D-xylopyranosyl)urea 、
二氧化氮 以2.2 g of 1-(2-chloroethyl)-1-nitroso-3-cyclopropylmethyl-3-(D-xylopyranosyl)urea are thereby obtained as yellow caramel的产率得到1-(2-chloroethyl)-1-nitroso-3-cyclopropylmethyl-3-(D-xylopyranosyl)urea