10,11-Dihydro-5-(1-methyl-4-piperidinylidene)-5H-dibenzo(a,d)cycloheptene-3-carboxylic acid 5H-Dibenzo(a,d)cycloheptene-3-carboxylic acid, 10,11-dihydro-5-(1-methyl-4-piperidinylidene)- 63141-67-3 MK 711 MK-711