Table 1. Structures of complexes discussed in this work.

	Complex
Ligand	TRANS	CIS
‘X’
NH3	1t [a]	1c
MeNH2	2t [b]	N/A
EtNH2	3t [b]	N/A
PrNH2	N/A	4c
BuNH2	N/A	5c
PentNH2	N/A	6c
Py	7t [a]	7c
2-methylpyridine	8t [b]	8c
3-methylpyridine	9t [b]	9c
4-methylpyridine	10t	N/A
2-bromo,3- methylpyridine	11t	N/A

^[a]Synthesis and cytotoxicity data previously reported: 1t (19), 7t (11).

^[b]Synthesis previously reported (21).