1,2-Dibromo-2,4-dicyanobutane1,2-二溴-2,4-二氰基丁烷2-Bromo-2-(bromomethyl)glutaronitrile1,2-Dibromo-2,4-dicyanobutane甲基二溴戊二腈1-Bromo-1-(bromomethyl)-1,3-propanedicarbonitrileMethyldibromoglutaronitrile2-溴-2-(溴甲基)戊二腈1,2-Dibromo-2,4-dicyanobutane1,2-二溴-2,4-二氰丁烷1-溴-1-(溴甲基)-1,3-丙烷二甲腈