英文名称: | [1,1'-Biphenyl]-4,4'-diamine, 2,2'-dimethyl-, dihydrochloride | 2,2'-Dimethyl-1,1'-biphenyl-4,4'-diamine, dihydrochloride | 1'-biphenyl]-4,4'-diamine, 2,2'-dimethyl-[ dihydrochloride | 4,4'-bi-m-toluidine dihydrochloride | [1,1'-Biphenyl]-4,4'-diamine,2,2'-dimethyl-,dihydrochloride | 2,2'-Dimethyl-1,1'-biphenyl-4,4'-diamine,dihydrochloride |
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