<qa>  What is the third-order drug among patients whose treatment is not sufficient after combined administration ofThe purpose of this study is to compare the treatment effect at week 26 between the two groups, sulfonylurea SU, glimepiride administration and thiazolidinedione TZD, Pioglitazone administration, as the third-order drug among patients whose treatment is not sufficient after the combined administration of Metformin and Alogliptin. 