| | | 2,4-DIOXO-1,3-DINICKELASPIRO[CYCLOBUTANE-1,1`-PENTACYCLO[2.2.0.0+é-¦,+é-¦.0+é-¦,?.0+é-¦,?]HEXANE]-2`,3`,4`,5`,6`-PENTAIDE-2,4-DIUIDE; CYCLOPENTADIENIDE CAS:12170-92-2 2,4-METHANO-1H-DICYCLOPROP[A,F]INDENE,DECAHYDRO-,(1A-ALPHA-,1B-BTA-,2-ALPHA-,2A-BTA-,3A-BTA-,4-ALPHA-,4A-BTA-,5A-ALPHA-)- CAS:114028-43-2 |