People's Republic of Bulgaria
(history) An anticapitalist country that existed from 1946 until 1990.
(organic chemistry) Any addition reaction in which a hydrogen atom and an alkenyl group are attached across a double bond or triple bond
a large building which contains offices on several floors, often for several firms.
(organic chemistry, especially in combination) The radical CH₃-CO-NH-CH₂- that is used as a protecting group for thiols
研究中に、彼は冷戦期の外交について新たな光を当てる、1946年から1990年まで存在した反資本主義国の公文書を見つけた。
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