(3,3-Difluorocyclobutyl)methanamine Hydrochloride (cas# 1159813-93-0) is a useful research chemical. It is the sodium salt of (3,3-Difluorocyclobutyl)methanamine (D235341). It is used in the preparation of benzonaphthyridine acetic acid derivatives as STING modulators useful in treatment and prevention of STING-associated diseases.