5-Methoxy – 2- oxo-1,3-dioxol – 4- yl ) methyl – 4 – (1- hydroxy -1 – methylethyl -2 propyl-1- (2 –(2- triphenylmethyl ) – 2H – tetrazole-5 – yl ) biphenyl -4-yl ) methyl ) -1Himidazole – 5 – carboxylate