N-benzoyl-1-cyano-7-methoxy-6-methyl-8-nitro-1,2-dihydroisoquinoline
1-(7-methoxy-6-methyl-8-nitroisoquinolyl)carbonyl benzoate
(7-methoxy-6-methyl-8-nitro-1-isoquinolyl)methanol
7-methoxy-6-methyl-8-nitroisoquinoline
(8-amino-7-methoxy-6-methyl-1-isoquinolyl)methanol