1397526-11-2

Rimegepant impurity Rimegepant Impurity 22 Rimegepant Impurity 10 Rimegepant Impurity 56 (8'R)-7-fluoro-8'-((triisopropylsilyl)oxy)- 7',8'-dihydro-3H,6'H-spiro[benzofuran-2,5'-quinolin]-3-one (5S,6R,9R)-5-amino-6-(2,3-difluorophenyl) -6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-9-ol:dihydrochloride 5H-Cyclohepta[b]pyridin-5-one, 6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-9-[[tris(1-methylethyl)silyl]oxy]-, (6R,9S)-