邻甲氧基苯胺

2-(2-methoxyphenyl)hexahydro-2H,6H-spiro[pyrido[1,2-a]pyrazine-7,2'-[1,3]dioxolane]

5-chloro-4-oxopentanoic acid methyl ester

methyl 5-bromo-4-oxopentanoate

N'-(2-methoxyphenyl)ethane-1,2-diamine