1H-Benz(de)isoquinoline-1,3(2H)-dione, 6,7-diethoxy-2-methyl- 22330-48-9 4,5-Ethoxy-1,8-naphthalic acid-N-methylimide 6,7-Diethoxy-2-methyl-1H-benz(de)isoquinoline-1,3(2H)-dione EINECS 244-916-0