China Despropionyl Ramelteon Hydrochloride, CAS 196597-80-5, (S) -2- (1, 6, 7, 8-Tetrahydro-2H-indeno[5, 4-b]furan-8-yl) Ethylaminee Hydrochloride, Find details about China Biological Buffer, Buffer from Despropionyl Ramelteon Hydrochloride, CAS 196597-80-5, (S) -2- (1, 6, 7, 8-Tetrahydro-2H-indeno[5, 4-b]furan-8-yl) Ethylaminee Hydrochloride