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Inventor
YUN ROK L
KR
2 patents
Patents
2 patents
US5281589A
Jan 25, 1994
3-fused pyridiniummethyl cephalosporins
CHEIL FOODS & CHEM
20 citations
85
US5389627A
Feb 14, 1995
Cephem compounds
CHEIL FOODS & CHEM
16 citations
66