811803-67-5 s-Indacene-1,3,5,7(2H,6H)-tetrone,2,6-bis[6,7,8-tris[2-(1,3-dioxan-2-yl)ethoxy]-3,4-dihydro-4-oxo-2-quinazolinyl]- 811803-78-8 1,3,6,8(2H,7H)-Pyrenetetrone,2,7-bis(3,4-dihydro-6,7,8-trimethoxy-4-oxo-2-quinazolinyl)-4,9-bis[[3-[2-(1-piperidinyl)ethoxy]phenyl]amino]-