The molecule with the SMILES representation of C1CN=C2NCCCN2C1 shows an acute oral toxicity (LD50 in rats) of 550.0 mg/kg.
The {#molecule|chemical|compound!} with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} an {CATMoS_LD50_mgkg__names__noun} of {CATMoS_LD50_mgkg#} {CATMoS_LD50_mgkg__units}.
2,3,4,6,7,8-hexahydro-1H-pyrimido[1,2-a]pyrimidine