Rebeccamycin
Resistomycin
Croceomycin, Geliomycin, Heliomycin, Itamycin, 11-98, A 3733A, X 340
Reticulol
6,8-Dihydroxy-7-methoxy-3-methylisocoumarin
Reveromycin A
Reveromycin B
Reveromycin C
Reveromycin D
RK-682
TAN 1364B, CI 010
Roquefortine C
Roquefortine