Mrv0541 09211104532D 1 0 0 0 0 0 999 V2000 0.0000 0.0000 0.0000 Rn 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 222 M END > t3db > T3D0114 > [222Rn] > InChI=1S/Rn/i1+0 > InChIKey=SYUHGPGVQRZVTB-IGMARMGPSA-N > 0 > 1.7784 > 0 > 222.017570472 > 0 > Rn > (²²²Rn)radon > 0 > 222.017570472 > 0 > 0 > 0 > radon-222 $$$$