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(a) Daunomycin layer D9 described as ‘nose to nose’. The letter ‘N’ denotes the ‘nose’ (see text). Please refer back to Figure 1 for the chemical structure of daunomycin. Layer D12 is similar to D9. (b) Daunomycin layer D10 described as ‘nose to tail’. Layer D11 is similar to D10. (c) Daunomycin layer arrangement in the TGGGGT/daunomycin crystal structure (20).
