carbanide; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene; 1,2,3,4,5-pentamethylcyclopentane; thorium;67506-90-5;Thorium, dimethylbis((1,2,3,4,5-eta)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl)-;Thorium, dimethylbis[(1,2,3,4,5-.eta.)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl]-
carbanide; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene; 1,2,3,4,5-pentamethylcyclopentane; thorium