label: N,15-didehydro-11,15-dideoxo-1-deoxy-1,15-epoxy-11-hydroxy-4-O-methyl-3-(4-((2,4,6-trimethylphenyl)methyl)-1-piperazinyl)rifamycin 8-(2,2-dimethylpropanoate)
label_lc: n,15-didehydro-11,15-dideoxo-1-deoxy-1,15-epoxy-11-hydroxy-4-o-methyl-3-(4-((2,4,6-trimethylphenyl)methyl)-1-piperazinyl)rifamycin 8-(2,2-dimethylpropanoate)