1-[[(6S,8R,8aS)-6-[(2S,4S,5S)-2-[(2S,4S,5S)-2-[(2S,4R,5S)-2-[[(6S,8R,8aS)-7-(acetylchloranuidylamino)-2,2-dimethyl-6-[(2S,4S,5S)-6-methyl-2-[(2S,4S,5S)-6-methyl-4,5-bis(phenylmethoxy)-2-[(2S,4R,5S)-2,3,6-trimethyl-5-phenylmethoxyoxan-4-yl]oxyoxan-3-yl]oxy-5-phenylmethoxy-4-[(2R,5R,6S)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxyoxan-3-yl]oxy-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl]oxy]-3,6-dimethyl-5-phenylmethoxyoxan-4-yl]oxy-6-methyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-6-methyl-5-phenylmethoxy-4-[(2R,5R,6S)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxyoxan-3-yl]oxy-2,2,8-trimethyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl]amino]chloranuidylethanone