Preparation and Crystal Structures of 2-D Copper Coordination Polymers:[Cu$_{1.5}$(ina)(btcH)].H$_2$O(1),[Cu$_2$(ina)$_2$(bdc)$_{0,5}$)(${\mu}$-OH)] (2), and [Cu(ina)(na)] (3), (inH = isonicotinic acid, btcH$_3$ = 1,3,5-benzenetricarboxylic acid, bdcH$_2$ = 1,3-benzenedicarboxylic acid, naH = nicotinic acid)