The present invention relates to novel thienodiazepine derivatives or pharmaceutically acceptable salts thereof, and a pharmaceutical composition including the same. The thienodiazepine derivatives or pharmaceutically acceptable salts thereof exhibit selective inhibition activities against protein kinases such as c-Kit, FLT3, FMS, LYN, RAF1, VEGFR3, PDGFRa, PDGFRb, RET, etc., and thus can be used as a pharmaceutical composition for prevention or treatment of abnormal cell growth diseases.

The present invention relates to novel thienodiazepine derivatives or pharmaceutically acceptable salts thereof, and a pharmaceutical composition including the same. The thienodiazepine derivatives or pharmaceutically acceptable salts thereof exhibit selective inhibition activities against protein kinases such as c-Kit, FLT3, FMS, LYN, RAF1, VEGFR3, PDGFRa, PDGFRb, RET, etc., and thus can be used as a pharmaceutical composition for prevention or treatment of abnormal cell growth diseases.

This solid pharmaceutical composition is useful as a solid pharmaceutical composition of 1-(3-(2-(1-benzothiophen-5-yl)ethoxy)propyl)azetidin-3-ol, which is excellently elutable and moldable and is stable in long-term storage, or a salt thereof.

Compounds of formula (I): ##STR00001##
wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.12, X, A and n are as defined in the description. Medicinal products containing the same which are useful in treating pathologies involving a deficit in apoptosis, such as cancer, auto-immune diseases, and diseases of the immune system.