tetracyclines 4-Aminoanhydrochlortetracycline 4-Aminoanhydro-7-chlorotetracycline 432.072 432.81100 C20H17ClN2O7 CHEBI:81650 Cc1c2C[C@H]3[C@H](N)C(O)=C(C(N)=O)C(=O)[C@@]3(O)C(=O)c2c(O)c2c(O)ccc(Cl)c12 InChI=1S/C20H17ClN2O7/c1-5-6-4-7-14(22)16(26)13(19(23)29)18(28)20(7,30)17(27)11(6)15(25)12-9(24)3-2-8(21)10(5)12/h2-3,7,14,24-26,30H,4,22H2,1H3,(H2,23,29)/t7-,14-,20-/m0/s1 KEGG:C18299 KMAMVYDEYKZRFY-LLVYKECFSA-N chebi_ontology