(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-2-naphthalenylmethanone 123769-43-7 2H-1,5-Benzodioxepine, 3,4-dihydro-7-(2-naphthalenyl)- BRN 3616880 Methanone, (3,4-dihydro-2H-1,5-benzodioxepin-7-yl)-2-naphthalenyl-