上游原料
1-Chloro-2-isocyanatoethane; 2-Chloroethyl isocyanate2-Methyl-1-propanamine; Isobutylamine(3R,4R,5S,6R)-6-(hydroxymethyl)-5-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy]tetrahydro-2H-pyran-2,3,4-triol; Maltose(2R,3R,4S,5S,6R)-2-[[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-(isobutylamino)tetrahydro-2H-pyran-3-yl]oxy]-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol; IsobutylmaltosylamineN'-(2-Chloroethyl)-N-((2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy]tetrahydro-2H-pyran-2-yl)-N-isobutylurea; 1-(2-Chloroethyl)-3-isobutyl-3-D-maltosylurea(2R,3R,4S,5R,6R)-2-[[(2R,3R,4S,5R,6R)-6-[[[1-(2-chloroethyl)-2-oxohydrazino]carbonyl](isobutyl)amino]-4,5-dinitrosooxy-2-(nitrosooxymethyl)tetrahydro-2H-pyran-3-yl]oxy]-3,5-dinitrosooxy-6-(nitrosooxymethyl)tetrahydro-2H-pyran-4-yl nitrite; 1-(2-Chloroethyl)-3-isobutyl-3-(beta-D-heptanitrosomaltosyl)-1-nitrosourea
