What is the half life in humans after IV administration value for the SMILES O=P1(NCCCl)OCCCN1CCCl:6.600
What is the {half_life_duration__names__noun} value for the {SMILES__description} {SMILES#}:{half_life_duration#}
N,3-bis(2-chloroethyl)-2-oxo-1,3,2λ5-oxazaphosphinan-2-amine