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Chemical Name: Rifaximin EP Impurity D
Synonym: (2S,16Z,18E,20R,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,20, 21,23-Pentahydroxy-27- methoxy-2,4,11,16,20,22,24,26-octamethyl-1,15-dioxo-1,2-dihydro-2,7- (epoxypentadeca[1,11,13]-trienoimino)[1]benzofuro[4,5-e] pyrido[1,2-a]ben| Enter Batch Number | |||