1 CTC 7-chlorotetracycline 1.000 2 TAC Tetracycline 0.970 3 OTC Oxytetracycline 0.941 4 D2C (2s,4s,4ar,5as,6s,11r,11as,12r,12ar)-7-chloro-4-(dimethylamino)-6,10,11,12-tetrahydroxy-1,3-dioxo-1,2,3,4,4a,5,5a,6,11,11a,12,12a-dodecahydrotetracene-2-carboxamide 0.939 5 TDC 5a,6-anhydrotetracycline 0.939 6 DXT (4s,4ar,5s,5ar,6r,12as)-4-(dimethylamino)-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide 0.912 7 ITC Iso-7-chlortetracycline 0.886 8 I7T 7-iodotetracycline 0.882 9 TNC 4-dimethylamino-1,10,11,12-tetrahydroxy-3-oxo-3,4,4a,5-tetrahydro-naphthacene-2-carboxylic acid amide 0.879 10 2TC (4s,4as,6s,8as)-6-[(1s)-7-chloro-4-hydroxy-1-methyl-3-oxo-1,3-dihydro-2-benzofuran-1-yl]-4-(dimethylamino)-3,8a-dihydroxy-1,8-dioxo-1,4,4a,5,6,7,8,8a-octahydronaphthalene-2-carbonitrile 0.857 11 4DM (4as,12as)-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide 0.848 12 MIY (4s,4as,5ar,12as)-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2- carboxamide 0.833 13 XTC (4s,4as,5ar,12as)-4-(dimethylamino)-3,10,12,12a-tetrahydroxy-9-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide 0.833 14 AV8 2-carboxamido-2-deacetyl-chelocardin 0.800 15 V7A Sarecycline 0.789 16 ATC 9-(N,N-dimethylglycylamido)-6-deoxy-6-demethyl-tetracycline 0.750