19651-80-0 5,5,13,13-tetradehydro-4,5-dihydro-4,8,10,15-tetranitro-7,11-metheno-11H,13H-tetrazolo[1,5-c][1,7,3,5,2,6]dioxadiazadiplumbacyclododecine 12215-33-7 Iron, dicarbonyl(h5-2,4-cyclopentadien-1-yl)(2,3,3,4,4,5,5,6,6-nonafluoro-1-cyclohexen-1-yl)-