65764-43-4 [(8e,12z,14e,19e)-6-hydroxy-5,11,21-trimethoxy-3,7,9,15-tetramethyl-19-[(morpholin-4-ylamino)methylidene]-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,17-pentaen-10-yl] Carbamate 65764-48-9 (1E,21E)-21-[(2,2-dihexylhydrazinyl)methylidene]-13-hydroxy-8,14,19-trimethoxy-4,10,12,16-tetramethyl-3,20,22-trioxo-2-azabicyclo[16.3.1]docosa-1,4,6,10,18-pentaen-9-yl carbamate