化学科研者一站式服务平台


  • (5R,6S)-3-Acetoxymethyl-6-[(R)-1-(4-nitro-benzyloxycarbonyloxy)-ethyl]-7-oxo-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 2-oxo-propyl ester

加载中...