15,18-Ethano-3,25-methano-16,4-benzoxaazacyclotricosine-1,5,17,21,26(4H,18H)-pentone, 10,11,12,13,14,15-hexahydro-11,13,22,24,27-pentahydroxy-6,10,12,14,20,23,28-heptamethyl-, (10S,11S,12R,13S,14S)- 79486-49-0 AIDS-113924 AIDS113924 Rifamycin Z