3-acetoxy-2,5-diethyl-pyrazine

1-phenylpropan-2-one O-naphthalen-2-ylsulfonyl oxime

5-chloro-3,6-diethyl-2-hydroxypyrazine-1-oxide

triethylamine (2-acetoxy-5-nitrophenyl)methanesulfonate

乙酸异丙烯酯