1 - (2 - pyrazinyl) ethanone

• 2-乙酰基吡嗪

1 - (2 - pyrazinyl) ethanone的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 1:

1. the smallest whole number or a numeral representing this number

形容词 1:

1. used of a single unit or thing; not two or more