2-carbobenzoxy-1,7,8-trimethoxy-1,2,3,4-tetrahydroisoquinoline

2-formyl-1,2,3,4-tetrahydro-7,8-dimethoxyisoquinoline

4-formyl-7-methoxy-2-methylbenzo[b]furan

(E)-7-methoxy-2-methyl-4-(2-nitrovinyl)benzofuran

4-(2-N-carbobenzoxyaminoethyl)-7-methoxy-2-methylbenzo(b)furan