102770-00-3 446S3-1 Antibiotic 446S3-1 BRN 5210055 Capuramycin beta-D-Allofuranuronamide, 1-deoxy-5-O-(4-deoxy-N-(hexahydro-2-oxo-1H-azepin-3-yl)-beta-L-erythro-hex-4-enopyranuronamidosyl)-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-methyl-, (S)-