50745-90-9;4,7-Methano-1H-indene,octahydro-2-methyl,(2.alpha.,3a.beta.,4.alpha.,7.alpha.alpha.,7a.beta.)-;Tricyclo[5.2.1.0(2,6)]decane, 4-methyl-;4,7-Methano-1H-indene,octahydro-2-methyl-,(2.alpha.,3a.beta.,4.alpha.,7.alpha.,7a.beta.)-;4,7-Methano-1H-indene, octahydro-2-methyl-, (2alpha,3abeta,4alpha,7alpha,7abeta)-;Cis-4-methyl-exo-tricyclo[5.2.1.0(2.6)]decane