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?? ??	CAS	MF
Rifabutin	72559-06-9	C46H62N4O11
Rifaximin	80621-81-4	C43H51N3O11
Rifamycin S	13553-79-2	C37H45NO12
Rifamycin O	14487-05-9	C39H47NO14
???	13292-46-1	C43H58N4O12
3-FORMYL RIFAMYCIN SV	13292-22-3	C38H47NO13
Rifalazil	129791-92-0	C51H64N4O13
Rifapentine	61379-65-5	C47H64N4O12
Rifamycin Sodium	14897-39-3	C37H48NNaO12
Rifapentine hydrochloride	127923-87-9	C47H65ClN4O12
N-Demethyl Rifampin	13292-45-0	C42H56N4O12
RIFAMYCIN SODIUM
rifamide	2750-76-7	C43H58N2O13
3-Amino -rifamycin S	51756-80-0	C37H46N2O12
R 761	57184-22-2	C45H63N3O12
????	94168-98-6	C44H60N4O12
RIFAMPICIN QUINONE		C43H56N4O12
Rifamycin Na
Rifamexil	113102-19-5	C42H55N3O11S
RIFAMYCIN B
RIFAMYCIN SV	6998-60-3	C37H47NO12
RIFAMPIN QUINONE (50 MG)	13983-13-6	C43H56N4O12