Формы твердого состо ни 5-[[6-[(2-фторфенил)метокси]-2-нафталинил] метил]-2,4-тиазолидиндиона

摘要

The present invention provides a crystal form, termed E type crystal form, and an amorphous form of 5-[[6-[(2-fluorophenyl)methoxy]-2-naphthalenyl]methyl]-2,4-Thiazolidinedione (MCC-555) that are distinguishable from known crystal forms. The present invention also provides a method for preparation thereof and pharmaceutical compositions comprising the E type crystal form, or amorphous forms of MCC-555.