(5S,6S,4R,7R)-1,3-Bis({3-[(cyclopropylmethyl)amino](1H-indazol-5-yl)}methyl)-4,7-bisbenzyl-5,6-dihydroxy-1,3-diazaperhydroepin-2-one AIDS-070223 AIDS070223 Cyclic urea deriv.