p. 1721 - 1731
(1987)diazomethane
6,7-dihydroxy-1-benzyl-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid
(10bS)-10b-benzyl-6,10b-dihydro-8,9-dimethoxy-2-<(R)-1-phenylethyl>imidazo<4,3-a>isoquinoline-1,3-(2H,5H)-dione
(10bR)-10b-benzyl-6,10b-dihydro-8,9-dimethoxy-2-<(R)-1-phenylethyl>imidazo<4,3-a>isoquinoline-1,3-(2H,5H)-dione
(1R)-1-benzyl-1,2,3,4-tetrahydro-6,7-dimethoxy-2-(<(R)-1-phenylethyl>carbamoyl)isoquinoline-1-carboxylate
(1S)-1-benzyl-1,2,3,4-tetrahydro-6,7-dimethoxy-2-(<(R)-1-phenylethyl>carbamoyl)isoquinoline-1-carboxylate