1 6O7 Plicamycin, mithramycin analogue mtm sa-phe 1.000 2 6O6 Plicamycin, mithramycin analogue mtm sa-trp 0.943 3 A1BNI Methyl (2s)-2-({(2s)-2-[(2r,3s)-3-{[(2s,4r,5r,6r)-4-{[(2s,4r,5s,6r)-4-{[(2s,4s,5r,6r)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy}-5-hydroxy-6-methyloxan-2-yl]oxy}-5-hydroxy-6-methyloxan-2-yl]oxy}-7-{[(2s,4r,5r,6r)-4-{[(2s,4r,5s,6r)-4,5-dihydroxy-6-methyloxan-2-yl]oxy}-5-hydroxy-6-methyloxan-2-yl]oxy}-5,10-dihydroxy-6-methyl-4-oxo-1,2,3,4-tetrahydroanthracen-2-yl]-2-methoxyacetyl}amino)-3-(5-methyl-1h-indol-3-yl)propanoate (non-preferred name) 0.933 4 A1BNK Methyl (2s)-2-({(2s)-2-[(2r,3s)-3-{[(2s,4r,5r,6r)-4-{[(2s,4r,5s,6r)-4-{[(2s,4s,5r,6r)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy}-5-hydroxy-6-methyloxan-2-yl]oxy}-5-hydroxy-6-methyloxan-2-yl]oxy}-7-{[(2s,4r,5r,6r)-4-{[(2s,4r,5s,6r)-4,5-dihydroxy-6-methyloxan-2-yl]oxy}-5-hydroxy-6-methyloxan-2-yl]oxy}-5,10-dihydroxy-6-methyl-4-oxo-1,2,3,4-tetrahydroanthracen-2-yl]-2-methoxyacetyl}amino)-3-(7-methyl-1h-indol-3-yl)propanoate (non-preferred name) 0.933 5 QWP Mithramycin 0.798