117051-73-7 ??(??????)
| ???? |
??(??????) |
| ?? |
; [1,1'-???]-4,4'-???, ???-, ?????; [1,1'- ? ??] -4,4'- ??? |
| ?? ?? |
Poly(diphenylbenzidine); [1,1'-Biphenyl]-4,4'-diamine, diphenyl-, homopolymer; [1,1'-Biphenyl]-4,4'-diamine |
| ??? |
(C24H20N2)x |
| cas?? |
117051-73-7 |
| ?? ?? |
|
|