What is the half life time in humans after IV administration value for the SMILES COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1c1ccccc1[N+](=O)[O-]:1.900
What is the {half_life_duration__names__noun} value for the {SMILES__description} {SMILES#}:{half_life_duration#}
dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate