121811-29-8
2-methyl-3-oxopentanoic acid ethyl ester
+
74497-02-2
1-aminobenzene
→
5659-18-7
2-methyl-3-oxo-N-phenylpentanamide
74328-35-1
4-pent-2-en-3-ylmorpholine
103-71-9
异氰酸苯酯