174423-44-0 15,17-Diazatetracyclo[12.2.2.13,7.18,12]eicosa-3(20),12(19)-diene-6,9-dione,15-methyl-, (1R*,7R*,8S*,14R*)-(-)- 3729-83-7 10,14,15-trimethoxy-20-methyl-12,28-dioxa-4,20-diazaheptacyclo[27.2.2.1~7,11~.1~13,17~.1~23,27~.0~3,8~.0~21,35~]hexatriaconta-1(31),3,7(36),8,10,13(35),14,16,23(34),24,26,29,32-tridecaen-26-ol (non-preferred name) 118736-03-1 methyl (5S,6S,8R)-2,11-dihydroxy-5-methyl-13-oxo-5,6,7,8,14,15-hexahydro-13H-5,8-epoxy-4b,8a,14-triazadibenzo[b,h]cycloocta[1,2,3,4-jkl]cyclopenta[e]-as-indacene-6-carboperoxoate