Crystal Structures and Hirshfeld Surface Analyses of a Des-A-B-Aromatic Steroidal Compound, and Two of Its Derivatives, Having a Trans-2,3,4,5-Tetrahydro-3A-Methyl-7-Methoxybenz[E] Indane Skeleton - Structural Comparisons with Reported Tetrahydrobenz[E]Indene Derivatives