107071-66-9 4-(2,2-Diphenylethenyl)-1-(1-oxo-9-(3-pyridinyl)nonyl)piperidine 4-(2,2-Diphenylethenyl)-1-(1-oxo-9-(pyridinyl)nonyl)piperidine Piperidine, 4-(2,2-diphenylethenyl)-1-(1-oxo-9-(3-pyridinyl)nonyl)- Ro 23-7637 Ro-23-7637