gsk 299423 gsk 299423 gsk 299423 or glaxosmithkline 299423 is an antibiotic chemical compound that has been identified as potentially effective in treating patients infected with bacteria expressing the new delhi metallo-beta-lactamase. the antibiotic inhibits the enzyme topoisomerase, which bacteria need to replicate. gsk 299423 names preferred iupac name 6-methoxy-4-oxathiolopyridin-6-yl)methyl]amino}piperidin-1-yl)ethyl]quinoline-3-carbonitrile identifiers cas number 1352149-24-6 y 3d model (jsmol) interactive image chemspider 24751852 y pubchem cid 46835136 unii 2q0g81h7fk y comptox dashboard (epa) dtxsid50159279 inchi inchi=1s/c25h27n5o2s/c1-31-20-2-3-23-22(11-20)21(17(12-26)13-29-23)6-9-30-7-4-18(5-8-30)27-14-19-10-25-24(15-28-19)32-16-33-25/h2-3,10-11,13,15,18,27h,4-9,14,16h2,1h3 ykey: nkxjscxeavzsmf-uhfffaoysa-n y smiles coc1ccc2c(c1)c(c(cn2)c#n)ccn3ccc(cc3)ncc4cc5c(cn4)ocs5 properties chemical formula c25h27n5o2s molar mass 461.58 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references 3d protein map of gsk 299423 (yellow) in complex with staphylococcus aureus dna gyrase (teal) and a dna fragment (orange). from pdb: 2xcs​. no animal studies have been reported. no application has been made for human clinical trials.