共 23 条
[21]
CRYSTAL AND MOLECULAR-STRUCTURE OF A SYNTHETIC COMPOUND RELATED TO PENICILLINS AND CEPHALOSPORINS, 3-BENZYL-7-T-BUTYL 2,2-DIMETHYL-8-OXO-4-THIA-1-AZA-6ALPHAH-BICYCLO[4.2.0]OCTANE-3BETA,7ALPHA-DICARBOXYLATE
[J].
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1,
1973, (05)
:484-488
[22]
Woodward R. B., 1970, CONSERVATION ORBITAL