59517-21-4
2,2'-Diamino-4,4'-dimethyl-1,1'-biphenyl
→
~42%
18992-65-9
2,7-二甲基咔唑
53356-70-0
4-methyl-1-(4-methylphenyl)-2-nitrobenzene
~23%
626-13-1
3,3'-二甲基联苯胺