(+/-)-4-amino-2-(1-methylethyl)-1-butanol 、
(R)-5-(3,4-dichlorophenyl)-N-(3,5-dimethoxybenzyl)-7,8-dihydro-7-(4-hydroxy-3-methylbutyl)-8-oxo-6-pyrido[3,4-b]pyridine carboxamide 以
N-[3,5-bis(trifluoromethyl)benzyl]-5-(4-fluorophenyl)-8-oxo-8H-pyrano [3,4-b] pyridine-6-carboxamide 为溶剂,
生成 5-(3,4-dichlorophenyl)-N-(3,5-dimethoxybenzyl)-7,8-dihydro-7-[4-hydroxy-3-(1-methylethyl)butyl]-8-oxo-6-pyrido[3,4-b]pyridine carboxamide