1123169-41-4 
 
(4-(4-(tert-butoxycarbonyl)piperazin-1-yl)-6-chloroquinazolin-7-yl)boronicacid 
 
tert-butyl4-(6-chloro-7,8'-biquinazolin-4-yl)piperazine-1-carboxylate 
[1]Patent:WO2015/54572,2015,A1.Locationinpatent:Page/Pagecolumn295
1123169-41-4 
 
(4-(4-(tert-butoxycarbonyl)piperazin-1-yl)-6-chloroquinazolin-7-yl)boronicacid 
 
1-(4-(6-chloro-7,8’-biquinazolin-4-yl)piperazin-1-yl)prop-2-en-1-one 
[1]Patent:WO2015/54572,2015,A1