(2S,3R,4S,5S)-2,5-Bis[N-[(3,5-Dihydroxyphenyl)carbonyl]amino]-3,4-dihydroxy-1,6-diphenyl hexane 3,4-diOH-1,6-diPh-Hex-2,5-diNH2, PhCO deriv. AIDS-043092 AIDS043092