p. 719 - 740
(2007/10/02)3',3'-dimethyl-6-nitro-1'-phenyl-1',3'-dihydro-spiro[chromene-2,2'-indole]-8-carboxylic acid methyl ester
3',3'-dimethyl-6-nitro-1'-phenyl-1',3'-dihydro-spiro[chromene-2,2'-indole]-8-carboxylic acid
3',3'-dimethyl-6-nitro-1'-phenyl-1',3'-dihydro-spiro[chromene-2,2'-indole]-8-carboxylic acid ethyl ester
1-phenyl-3,3-dimethyl-9'-(9H-carbazol-9-yl)-spiroindolinenaphthoxadine
1-Phenyl-3,3-dimethyl-2-<3-(p-methoxybenzoyl)-2-propen-1-ylidene>indoline