Table 3. The effects of additives on polymorph formation of DA7 in 1,4-dioxane.

Diacid	Additive	Molar ratio (additive:solute)
		1:10	2:10	3:10	4:10	5:10	1:1
DA5	Adipic acid	I	–	–	–	I	I
	Benzoic acid	I	–	–	–	I	I
DA7	Adipic acid	I+II	II	II	II	II	II
	Benzoic acid	I	–	–	–	I	I
DA9	Adipic acid	I	I+II	I+II	II	–	–
	Benzoic acid	I	I	I	I	–	I
DA11	Adipic acid	I+II	I+II	I+II	II	–	–
	Benzoic acid	I	I	I	I	–	I