3,6-二丁氧基-1,2-苯二甲腈

[2,3-dicyano-4-(4-methylphenyl)sulfonyloxyphenyl] 4-methylbenzenesulfonate

3,6-bis[(4-methylphenyl)sulfanyl]benzene-1,2-dicarbonitrile

3,4-二羟基邻苯二甲酸

1,4-二乙酰基-2,3-二氰苯