(7R-(7R*,11R*,15R*,23R*,27*))-7,8,11,12,15,16,23,24,27,28-Decahydro-2,4,18,20-tetrahydroxy-11-(hydroxymethyl)-7,15,23,27-tetramethyl-5H,9H,13H,21H,25H-dibenzo(k,u)(1,5,9,15,19)pentaoxacyclotetracosin-5,9,13,21,25-pentone 141731-75-1 5H,9H,13H,21H,25H-Dibenzo(k,u)(1,5,9,15,19)pentaoxacyclotetracosin-5,9,13,21,25-pentone, 7,8,11,12,15,16,23,24,27,28-decahydro-2,4,18,20-tetrahydroxy-11-(hydroxymethyl)-7,15,23,27-tetramethyl-, (7R-(7R*,11R*,15R*,23R*,27*))- BK223-A BK223-B NG 011 NG 012 NG-011