tetracyclines 5a,11a-Dehydrochlortetracycline 476.099 476.86400 5a,11a-Dehydro-7-chlorotetracycline C22H21ClN2O8 CHEBI:81649 CN(C)[C@H]1[C@@H]2CC3=C(C(=O)c4c(O)ccc(Cl)c4[C@@]3(C)O)C(=O)[C@]2(O)C(=O)C(C(N)=O)=C1O Dehydrochlortetracycline InChI=1S/C22H21ClN2O8/c1-21(32)7-6-8-15(25(2)3)17(28)13(20(24)31)19(30)22(8,33)18(29)11(7)16(27)12-10(26)5-4-9(23)14(12)21/h4-5,8,15,26,28,32-33H,6H2,1-3H3,(H2,24,31)/t8-,15-,21-,22-/m0/s1 KEGG:C18298 ZWVGXYMEBVFNGR-GUQUGOGCSA-N chebi_ontology