10,12-Dimethyl-tetradecanoic acid {3-(2-carbamoyl-1-hydroxy-ethyl)-11,25-dihydroxy-15-(1-hydroxy-ethyl)-6-[2-(4-hydroxy-phenyl)-ethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexaaza-tricyclo[22.3.0.0~9,13~]heptacos-18-yl}-amide AIDS-027826 AIDS027826 Pneumocandin A4