What is the drug half life time in humans after IV administration value for the SMILES O=NN(CCCl)C(=O)NCCCl:0.370
What is the {half_life_duration__names__noun} value for the {SMILES__description} {SMILES#}:{half_life_duration#}
1,3-bis(2-chloroethyl)-1-nitrosourea