Synonyms: Methyl (3beta,19alpha,20alpha)-16,17-didehydro-10,11-dimethoxy-19-methyloxayohimban-16-carboxylate, mononicotinate;pyridine-3-carboxylic acid - methyl (19alpha,20alpha)-10,11-dimethoxy-19-methyl-16,17-didehydro-18-oxayohimban-16-carboxylate (1:1)