1-(4-nitrophenyl)-4-(trimethylsilyl)but-3-yn-2-one

2-(4-硝基苯基)乙酰氯

甲醛

(r-2,c-4,c-5)-(p-nitrophenyl)-4,5-tetramethylenetetrahydro-1,3-oxazine

(4S)-4-hydroxy-4-(4-nitrophenyl)-butan-2-one