label: N,15-didehydro-15-deoxo-1-deoxy-1,15-epoxy-4-O-methyl-3-(4-((2,4,6-trimethyl)methyl)-1-piperazinyl)rifamycin 8-(2,2-dimethylpropanoate)
label_lc: n,15-didehydro-15-deoxo-1-deoxy-1,15-epoxy-4-o-methyl-3-(4-((2,4,6-trimethyl)methyl)-1-piperazinyl)rifamycin 8-(2,2-dimethylpropanoate)