5 -[ 7 -{ 3 -( Cyclopropylmethoxy ) - 4 -( difluoromethoxy ) phenyl }-[ 1 , 2 , 4 ] triazolo [ 1 , 5 - a ] pyrimidin - 2 - yl ] pyridine - 2 - carboxylic acid methyl ester ( 화합물 138 ) 및 5 -[ 7 -{ 3 -( cyclopropylmethoxy ) - 4 -( difluoromethoxy ) phenyl }-[ 1 , 2 , 4 ] triazolo [ 1 , 5 - a ] pyrimidin - 2 - yl ] pyridine - 2 - carboxamide ( 화합물 139 ) 의 제조