四(1-甲基乙基)铅

1-((1,1-二甲基乙氧基)羰基)-4-(3-((1-甲基乙基)氨基)-2-吡啶)哌嗪

N-(2-nitrophenyl)-N-phenylacetamide

2,2,5,5-tetramethyl-1,3-oxazole

4-[4-(3-oxobut-1-enyl)phenyl]but-3-en-2-one