220770-51-4

M7562 1,1'-[2,2'-biselenophen-Stannane 5,5'-bis(trimethylstannyl)-2,2'-biselenophene 1,1'-[2,2'-biselenophen-Stannaneiylbis[1,1,1-trimethyl-Stannane 1,1'-[2,2'-biselenophen-Stannaneiylbis[1,1,1-trimethyl-Stannane Stannane, 1,1'-[2,2'-biselenophene]-5,5'-diylbis[1,1,1-trimethyl-