2,6-Dimethyl-4-benzyl-4-demethylrifampicin 55297-68-2 AF/ABDP,cis- AF/ABDPcis Benzyldimethyl rifampicin DMB Dimethylbenzylrifampicin NSC143414 Rifamycin cis-AF/ABDP Rifamycin, 3-[[[2,6-dimethyl-4-(phenylmethyl)-1-piperazinyl]imino]methyl]-, (3-(cis))-