p. 2376 - 2384
(2009)p. 588 - 589
(2007/10/02)2,2'-Dibenzyl-<6,6'-bi(3,1-benzoxazine)>-4,4'-dione
2,2'-Dibenzyl-<6,6'-biquinazoline>-4,4'(3H,3'H)-dione
6,6'-bis(3-amino-2-benzylquinazolone)
2,2'-dibenzoyl-[6,6']bi[benzo[d][1,3]oxazinyl]-4,4'-dione
2,2'-Dibenzyl-3,3'-diphenyl-3H,3'H-[6,6']biquinazolinyl-4,4'-dione