4,4'-DICYANO-2,2'-BIPYRIDINE

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2,5-Difluorophenylene-1,4-diamine, 1,4-D

$850.00dollar/瓶

2,5-Difluorophenylene-1,4-diamine, 1,4-D

$2250.00dollar/瓶

2,5-Difluorophenylene-1,4-diamine, 1,4-D

$500.00dollar/瓶

4,4'-DICYANO-2,2'-BIPYRIDINE

$5450.00dollar/g

5,10,15,20-tetrakis(4-ethynylphenyl)-21H

$2350.00dollar/g

2,3-DIMETHYL-P-PHENYLENEDIAMINE, 99

$800.00dollar/mg