3-{[5''-tert-butylsulfanyl-3''-(2'''-nitro-4'''-triisopropylsilylethynylphenyl)ethynyl]phenylethynyl}-3'-(5''''-tert-butylsulfanyl-2''''-iodophenylethynyl)tolane

2,23-bis(tert-butylsulfanyl)-8,17-dinitro-5,6,11,12,13,14,19,20,25,26,32,33,39,40-tetradecadehydro-7,10:15,18-dietheno-27,31:34,38-dimethenodibenzo[a,o]cyclodotriacontane

3,3'-bis{[5''-tert-butylsulfanyl-2''-(4'''-ethynyl-2'''-nitrophenyl)ethynylphenyl]ethynyl}tolane

3,3'-bis{[5''-tert-butylsulfanyl-2''-(2'''-nitro-4'''-triisopropylsilylethynylphenyl)ethynyl]phenylethynyl}tolane