Sample	Benzene	Hexane	Acetone	THF	NMP	Methanol	DMF	DMSO
PUIE-HDI₁₅	△	×	△	△	○	△	△	×
PUIE-HDI₂₅	△	×	△	△	△	×	△	×
PUIE-HDI₃₅	×	×	×	△	△	×	△	×
PUIE-HDI₄₅	×	×	×	×	×	×	×	×
PUIE-HDI₅₅	×	×	×	×	×	×	×	×
PUIE-H₁₂MDI₁₅	△	×	△	△	○	×	△	×
PUIE-H₁₂MDI₂₅	△	×	△	○	○	△	○	△
PUIE-H₁₂MDI₃₅	×	×	×	○	○	△	△	△
PUIE-H₁₂MDI₄₅	×	×	×	○	○	×	○	△
PUIE-H₁₂MDI₅₅	×	×	×	×	○	×	×	△