1-(1,1-Dimethylethyl)-4,4-diphenylpiperidine 1-tert-Butyl-4,4-diphenylpiperidine 57982-78-2 63661-61-0 BRN 5959608 Budipin [German] Budipina [INN-Spanish] Budipine Budipine [INN] Budipinum [INN-Latin] EINECS 261-062-4 Piperidine, 1-(1,1-dimethylethyl)-4,4-diphenyl-