(R)-6-Chloro-1,5-dihydro-3-methylimidazo(2,1-b)quinazolin-2(3H)-one 70018-51-8 Imidazo(2,1-b)quinazolin-2(3H)-one, 6-chloro-1,5-dihydro-3-methyl-, (R)- QUAZINONE Quazinona [Spanish] Quazinone [USAN:INN] Quazinonum [Latin] Ro 13-6438/006