103-71-9
异氰酸苯酯
→
~9%
53673-01-1
1-(2-aminoethyl)-3-phenylurea
120-93-4
2-咪唑烷酮
+
74497-02-2
1-aminobenzene
107-15-3
乙二胺
1261242-10-7
benzyl 2-(3-phenylureido)ethylcarbamate