(+)-(3aS,4R,7aS)-4-hydroxy-4-(m-tolylethynyl)-octahydro-indole-1-carboxylic acid methyl ester 、
2-乙酰基氨基异烟酸 以to yield (3aR,4S,7aR)-4-(2-acetylamino-pyridine-4-carbonyloxy)-4-m-tolylethynyl-octahydro-indole-1-carboxylic acid methyl ester的产率得到(3aR,4S,7aR)-4-(2-acetylamino-pyridine-4-carbonyloxy)-4-m-tolyIethynyI-octahydroindole-1-carboxylic acid methyl ester