p-nitrophenylester of 6-[4-(3,4-dimethoxybenzyloxy)-3-methoxyphenyl]-1,2-dihydro-2-oxonicotinic acid 、
(2S,5R,6R)-6-{[(2S)-2-氨基-2-(4-羟基苯基)乙酰基]氨基}-3,3-二甲基-7-氧代-4-硫杂-1-氮杂双环[3.2.0]庚烷-2-羧酸 生成 (2S,5R,6R)-6-[[(2S)-2-[[6-[4-[(3,4-dimethoxyphenyl)methoxy]-3-methoxyphenyl]-2-oxo-1H-pyridine-3-carbonyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid