Successful research of GCLE [(6R-trans)-5-Thia-l-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-chloromethyl-8-oxo-7-[(phenylacetyl)amino]-diphenylmethyl ester] provides new synthetic route for researching and developing new cephalosporin antibiotics.
英
美
- GCLE[(6R-trans)-7-苯乙酰氨基-8-氧代-5-硫-1-氮杂双环[4.；2
