Ricinoleic acid Rifamycin

Ribose, Cl Ribulose, C2 Ricinoleic acid, A7 Rifamycins, Y26 Rimuene, T34 Rishitin, T22 Rosenonolactone, T34 Rosmarinecine, K22 Rotenoids, Y1 Rotenone, Y1 Rotundone, T25 Rotunols, T20 Rubixanthin, T55 Rubroskyrin, Y18 Rugulosin, Y18 Ryanodine, T58... 

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