Naeja-rgm Pharmaceuticals Inc.

Naeja-rgm Pharmaceuticals Ulc

Madhava Reddy Madala

Samarendra N Maiti

Rong Ling

Judy Yip

Rudong Shan

Dai Quoc Nguyen

Andhe V N Reddy

Chan Minh Ha

Samarendra Nath Maiti

Andhe Vn Reddy

Cephem compounds, pharmaceutically acceptable salts thereof, and methods of using same, wherein the compound has a bicyclic nitrogen-containing aromatic heterocyclic ring as the quaternary ammoniomethyl group at the 3-position and one or both of a terminal amidine residue (substituted or unsubstituted) attached to an aryl or a 5- or 6-membered heteroaryl group (substituted or unsubstituted) which is further attached through a spacer to the free N-atom of the quaternary nitrogen-containing bicyclic ring at the 3-side chain, or a terminal guanidine residue attached to an aryl or a 5- or 6-membered heteroaryl group (substituted or unsubstituted) which is further attached through a spacer to the free N-atom of the quaternary nitrogen-containing bicyclic ring at the 3-side chain.

Cephem compounds, their production and use

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Madhava Reddy Madala