(+)-4[2-[4-(8-Chloro-3,10-dibromo-6,11-dihydro-5H-benzo[5,6] cyclohepta[1,2-b]-pyridin-11(R)-yl-1-piperidinyl]-2-oxo-ethyl]-1-piperidinecarboxamide NSC719467 SCH-66336