2,2',7,7'-四(二苯基氨基)-9,9'-螺双芴
Product Name: 2,2',7,7'-四(二苯基氨基)-9,9'-螺双芴 
CAS NO.: 189363-47-1 
Good NO.: LO-167 
purity:  
Formula: C73H52N4 
Weight: 985.2208