3-[[2-[2-[2-[[2-[[4-[[2-[[6-amino-2-[1-[(2-amino-2-carbamoyl-ethyl)ami no]-2-carbamoyl-ethyl]-5-methyl-pyrimidine-4-carbonyl]amino]-3-[3-[4-c arbamoyloxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy -6-(hydroxymethyl)oxan-2-yl]oxy-3-(3H-imid