3-((Ξ)-2-methyl-piperidin-1-yl)-O1,O4-didehydro-rifamycin

3-((Ξ)-3-methyl-piperidin-1-yl)-O1,O4-didehydro-rifamycin

3-nitromethyl-O1,O4-didehydro-rifamycin

1-imino-4-oxo-1,4-dihydro-1,4-dideoxy-rifamycin

(12S,17aΞ,3E,5S,13E,15Z)-7t-acetoxy-15,9c,11t-trihydroxy-5r-methoxy-12,4,6t,8c,10c,12t,16-heptamethyl-17a,8,9,10-tetrahydro-2-oxa-1(2,7)-furo[3',2':5,6]naphtho[2,3-d]pyrrolo[1,2-a]imidazola-cycloheptadecaphane-3,13,15-triene-11,6,12,17-dione