1	RIF	Rifamycin cgp 4832	1.000
2	RXM	(2s,16z,18e,20s,21s,22r,23r,24r,25s,26r,27s,28e)-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,1 5-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)furo[2'',3'':7',8']naphtho[1',2':4,5]imidazo[1,2-a]pyridin-2 5-yl acetate	0.771
3	RFV	Rifamycin sv	0.746
4	VA0	Rifamycin S	0.746
5	3YI	(2s,12z,14e,16s,17s,18r,19r,20r,21s,22r,23s,24e)-8-formyl-5,6,9,17,19-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptam ethyl-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-B]furan-21-yl acetate	0.725