上游原料
N-(tert-butyl)-3-methyl-2-pyridinecarboxamide8-chloro-11-(4-piperidinylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridineethyl 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylate1-chloro-3-(chloromethyl)benzene; 3-Chlorobenzyl chlorideN-(tert-butyl)-3-(3-chlorophenethyl)-2-pyridinecarboxamide3-(3-chlorophenethyl)-2-pyridinecarbonitrilechloro(1-methyl-4-piperidinyl)magnesium[3-(3-chlorophenethyl)-2-pyridinyl](1-methyl-4-piperidinyl)methanone8-chloro-11-(1-methyl-4-piperidinylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine