"(2R)-2-[(2R,3S,6R)-6-{[(2S,4R,5R,7R,9R,10R)-2-{(2S,2\u2032R,3\u2032S,5R,5\u2032R)-5\u2032-[(2S,3S,5R,6R)-6-Hydroxy-6-(hydroxymethyl)-3,5-dimethyloxan-2-yl]-2,3\u2032-dimethyl[2,2\u2032-bioxolan]-5-yl}-9-methoxy-2,4,10-trimethyl-1,6-dixoaspiro[4.5]decan-7-yl]methyl}-3-methyloxan-2-yl]propanoic acid" . . . . . . . . . . . . . "Nigericin" . . . . . . "Polyetherin A, Azalomycin M, Helixin C, Helix C" . "Nigericin" . . . . . . . . . . . . . "nigericin" . . . . . . . . . . . . .