The present disclosure relates to polymorphic form of PQQ and/or its salts represented by formula (I), wherein "n" and "m" are selected from a group consisting of: (a) "n" = 3, "m" = 0 and (b) "n" = 1, "m" = 2; and; R3 is Na+. The present disclosure also relates to a process for preparing the polymorphic form of compound of formula (I) and/or its salts, a composition comprising the polymorphic form of compound of formula (I) and/or its salts and use thereof.
本公开涉及由式(I)表示的
PQQ的多形式和/或其盐,其中“n”和“m”从以下组成的一组中选择:(a)“n”=3,“m”=0和(b)“n”=1,“m”=2;以及;R3为Na +。本公开还涉及制备式(I)化合物的多形式和/或其盐的过程,包括多形式和/或其盐的组合物和其使用。