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3-(2-Ethoxyethoxy)pyrazin-2-amine: BD013114531696250-77-797%; ￥553.0100mg

1-Bromo-2-(2-ethoxyethoxy)ethane: BD15825054550-36-698% stab. with potassium carbonate; ￥541.05g

2-(4-(2-Ethoxyethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane: BD4852932096997-06-597%; ￥720.01g

1-Bromo-4-(1-ethoxyethoxy)benzene: BD76599990875-14-297%; ￥3879.01g

1-(1-Ethoxyethoxy)butane: BD0156232157006-87-898%; ￥5556.01g

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