C2K c2k (3~{S})-19-chloranyl-~{N}-(1-cyanocyclopropyl)-5-oxidanylidene-9-(trifluoromethyl)-12,17-dioxa-4-azatricyclo[16.2.2.0^{6,11}]docosa-1(21),6(11),7,9,18(22),19-hexaene-3-carboxamide C2K