2,6-Piperidinedione, 3-(3-(dimethylamino)propyl)-3-(3-methoxyphenyl)-4,4-dimethyl- 3-(3-Methoxyphenyl)-3-(3-dimethylaminopropyl)-4,4-dimethylpiperidine-2,6-dione 53873-21-5 Agn 2979 Agn-2979 SC 48274