4-(6,8-dibromo-2,4-dihydro-1H-quinazolin-3-yl)cyclohexan-1-ol; trans-4-(6,8-Dibromo-1,4-dihydroquinazolin-3(2H)-yl)cyclohexanol; (1r,4r)-4-(6,8-Dibromo-1,2-dihydroquinazolin-3(4H)-yl)cyclohexanol