macrolide antibiotic clarithromycin 6-O-methylerythromycin 6-O-methylerythromycin A 747.477 747.95340 AGOYDEPGAOXOCK-KCBOHYOISA-N Beilstein:3581974 C38H69NO13 CAS:81103-11-9 CHEBI:3732 CHEBI:41676 CHEBI:442148 CHEBI:670147 CLA CLARITHROMYCIN Clarithromycin DrugBank:DB01211 Drug_Central:668 InChI=1S/C38H69NO13/c1-15-26-38(10,45)31(42)21(4)28(40)19(2)17-37(9,47-14)33(52-35-29(41)25(39(11)12)16-20(3)48-35)22(5)30(23(6)34(44)50-26)51-27-18-36(8,46-13)32(43)24(7)49-27/h19-27,29-33,35,41-43,45H,15-18H2,1-14H3/t19-,20-,21+,22+,23-,24+,25+,26-,27+,29-,30+,31-,32+,33-,35+,36-,37-,38-/m1/s1 KEGG:C06912 KEGG:D00276 LINCS:LSM-5606 LIPID_MAPS_instance:LMPK04000014 O(6)-methylerythromycin PDBeChem:CTY PMID:16387493 Patent:EP41355 Patent:US4331803 Reaxys:3581974 The 6-O-methyl ether of erythromycin A, clarithromycin is a macrolide antibiotic used in the treatment of respiratory-tract, skin and soft-tissue infections. It is also used to eradicate Helicobacter pylori in the treatment of peptic ulcer disease. It prevents bacteria from growing by interfering with their protein synthesis. [H][C@@]1(C[C@@](C)(OC)[C@@H](O)[C@H](C)O1)O[C@H]1[C@H](C)[C@@H](O[C@]2([H])O[C@H](C)C[C@@H]([C@H]2O)N(C)C)[C@@](C)(C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@](C)(O)[C@@H](CC)OC(=O)[C@@H]1C)OC chebi_ontology clarithromycin clarithromycina clarithromycine clarithromycinum