TY  - GEN
AU  - Dong,Q
AU  - Liu,D F
TI  - [Studies on the synthetic methods of 4-unsubstituted monocyclic beta-lactam antibiotics]
SN  - 0513-4870
PY  - 1987///0820
KW  - Monobactams
KW  - chemical synthesis
N1  - Publication Type: English Abstract; Journal Article
ER  -