上游原料
1-Chloro-2-isocyanatoethane; 2-Chloroethyl isocyanate4-Amino-TEMPO; 4-amino-2,2,6,6-tetramethyltetrahydro-1(2H)-pyridinolN-(2-chloroethyl)-N'-(1-hydroxy-2,2,6,6-tetramethyl-4-piperidinyl)urea4-Amino-TEMPO; 4-amino-2,2,6,6-tetramethyltetrahydro-1(2H)-pyridinol1-([[(2-chloroethyl)amino]carbonyl]oxy)-2,5-pyrrolidinedione1-([[1-(2-chloroethyl)-2-oxohydrazino]carbonyl]oxy)-2,5-pyrrolidinedione
