is tautomer of BMS-192548 TAN-1612 2-acetyl-3,4a,10,11,12a-pentahydroxy-8-methoxy-4a,12a-dihydrotetracene-1,12(4H,5H)-dione 414.095 414.363 A member of the class of tetracyclines with formula C21H18O9, originally isolated from Penicillium claviforme. C21H18O9 C=1(C2=C(C=C(C1)OC)C=C3C(=C2O)C(C4(C(C3)(CC(=C(C4=O)C(C)=O)O)O)O)=O)O CHBGBJNXHMNLOQ-UHFFFAOYSA-N CHEBI:133807 InChI=1S/C21H18O9/c1-8(22)14-13(24)7-20(28)6-10-3-9-4-11(30-2)5-12(23)15(9)17(25)16(10)19(27)21(20,29)18(14)26/h3-5,23-25,28-29H,6-7H2,1-2H3 MetaCyc:CPD-17879 PMID:21866960 PMID:22590971 Reaxys:21932329 TAN 1612 TAN1612 chebi_ontology tetracyclines enol phenols aromatic ether cyclic ketone enone methyl ketone