(+,-)-fredericamycin A

2-bromo-1,4,5,6,8-pentamethoxy-3-(phenylethynyl)naphthalene

8,9-[Di(tert-butyl)silylenedioxy]-1',5,6,9'-tetramethoxy-3'-methyl-4-phenylthio-6',7'-dihydrospiro[2H-benz[f]indene-2,8'-8'H-cyclopent[g]isoquinoline]-1,3-dione

1,8-dimethoxy-3-dimethoxymethyl-7-methoxycarbonyl-6-(2'-phenylethenyl)isoquinoline

1,8-Dimethoxy-3-((1E,3E)-penta-1,3-dienyl)-6-vinyl-isoquinoline-7-carboxylic acid methyl ester

3'-(diethoxymethyl)-1',6-dimethoxy-9'-(methoxymethoxy)-4,5,8,9-tetrakis(phenylmethoxy)spiro<2H-benz<f>indene-2,8'-<8H>cyclopent<g>isoquinoline>-1,3-dione

8-methoxy-7-methoxycarbonyl-3,6-dimethyl-1(2H)-isoquinolone

4-Chloroacetoxy-8,9-[di(tert-butyl)silylenedioxy]-3'-formyl-5,6,9'-trimethoxy-6',7'-dihydrospiro[2H-benz[f]indene-2,8'-8'H-cyclopent[g]isoquinoline]-1,1'(2'H),3-trione

p-benzoquinone-2,3-dicarboxylic acid dimethyl ester

4-Chloroacetoxy-8,9-[di(tert-butyl)silylenedioxy]-5,6,9'-trimethoxy-3'-methyl-6',7'-dihydrospiro[2H-benz[f]indene-2,8'-8'H-cyclopent[g]isoquinoline]-1,1'(2'H),3-trione

7-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-5-methoxy-1,2,9,9a-tetrahydro-6-aza-cyclopenta[b]naphthalen-3-one