(2S,5R,6R)-6-[[2-[[(3,4-dihydroxybenzoyl)-(3-hydroxypropyl)carbamoyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 生成 (2S,5R,6R)-6-[[2-[[(4-hydroxy-3-methoxybenzoyl)-(3-hydroxypropyl)carbamoyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid