Disclosed are polymorph, crystal form III and crystal form IV of compound (S)-N-[5-[1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl]-4,6-dioxo-5,6-dih ydro-4H-thieno[3,4-c]pyrrole-1-yl]acetamide.
公开了化合物(S)-N-[5-[1-(3-乙氧基-4-
甲氧基苯基)-2-(甲基磺酰基)乙基]-4,6-二氧代-5,6-二氢-4H-
噻吩并[3,4-c]
吡咯-1-基]乙酰胺的多晶型、晶型 III 和晶型 IV。