Complex sentence: The post-Sumerian incantations, which were likely translated from the Akkadian with some frequency, were not compiled into their own larger tablet series and have not yet been studied from a literary standpoint.
Split into simpler sentences: The post-Sumerian incantations, which were no doubt translated from the Akkadian with some frequency, were not compiled into their own larger tablet series. They have not yet been studied from a literary standpoint.