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(3R,7S,16S,17S,23R,27S,36S,37S)-3,23-Diamino-17,37-dihydroxy-7,27-bis-(1-hydroxy-1-methyl-ethyl)-8,11,28,31-tetramethyl-5,25-dioxa-1,8,11,14,20,21,28,31,34,40-decaaza-tricyclo[34.4.0.016,21]tetraconta-19,39-diene-2,6,9,12,15,22,26,29,32,35-decaone