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(3R,11R,15S,17S,22S,30R,34S,36S,41S,42R)-21,40-dioxa-4,14,23,33-tetraazatetradecacyclo[21.18.1.1~14,18~.1~33,37~.0~1,36~.0~2,17~.0~2,22~.0~3,11~.0~4,41~.0~5,10~.0~11,15~.0~24,29~.0~30,34~.0~30,42~]tet related products: