1,3-Bis(dicyanomethenyl-)-2-(3,4-dihydroxyphenyl)-methenylindane
1,3-bis(dicyanomethenyl-)-2-(3,4-dihydroxyphenyl)-methenylindane
1,3-Bis(dicyanomethenyl-)-2-(3,4-dihydroxyphenyl)-methenylindane
1,3-bis(dicyanomethenyl-)-2-(3,4-dihydroxyphenyl)-methenylindane