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Most common ligands in Au(I) antitumor complexes: phosphine with R = Ph, Me, Et (a); thiosugar (b); NHC complexes imidazol-2-ylidene (c) and benzimidazol-2-ylidene with R = Me, Et (d); alkynyl (e); thiosemicarbazone (f) with R = phenyl, p-methoxyphenyl, thiophene, furan, pyridinyl, and p-hydroxyphenyl. Atoms directly bound to Au(I) are in bold.
