Compounds of formula (I), wherein R
1
is hydrogen or alkyl; R
2
is C
1
-C
4
alkoxy or a morpholino radical; and R
3
is hydrogen or C
1
-C
4
alkoxy, are suitable for improving the solubility of specific photoinitiators in formulations and accordingly enhance the storage stability of formulations comprising a photoinitiator and compounds of formula (I).
公式(I)的化合物,其中R1为氢或烷基;R2为C1-C4烷氧基或
吗啡基;R3为氢或C1-C4烷氧基,适用于提高特定光
引发剂在配方中的溶解度,从而增强包含光
引发剂和公式(I)化合物的配方的储存稳定性。