Inventor
KIRCHLECHNER RICHARD
DE5 patents
Patents
5 patentsUS4024272AMay 17, 1977
Tetracyclic compounds
MERCK PATENT GMBH251 citations97
US4617293AOct 14, 1986
Flavonoid phosphate salts of aminoglycoside antibiotics
MERCK PATENT GMBH91 citations95
US3988468AOct 26, 1976
7-Methoxy-6-thiatetracyclines and their preparation
MERCK PATENT GMBH19 citations80
US5075452ADec 24, 1991
Process for the preparation of 5-membered nitrogen containing heteroaromatics
MERCK PATENT GMBH3 citations60
US4229582AOct 21, 1980
Process for the preparation of sterically uniform, natural 6-thiatetracycline derivatives
MERCK PATENT GMBH1 citations49