短語(yǔ)詞組短語(yǔ)bromobutane E 溴丁烷bromobutane U 溴丁烷bromobutane ? 溴丁烷n -Bromobutae 溴丁烷1 -bromobutane 溴丁烷;溴代正丁烷;溴正丁烷;正溴丁烷 返回 bromobutane