AIDS-108104 AIDS108104 Crocacin D Methyl 2-[6-((2E,4E,10E)(6S,7S,9S,8R)-7,9-dimethoxy-3,6,8-trimethyl-11-phenylundeca-2,4,10-trienoylamino)(2Z,5Z)hexa-2,5-dienoylamino]acetate