Chemical Name: 3-[1-Deuterio-3-oxo-1-(2,3,5,6-tetradeuterio-4-nitrophenyl)butyl]-4-hydroxychromen-2-one; 4-Hydroxy-3-(1-(4-nitrophenyl-2,3,5,6-d4)-3-oxobutyl-1-d)-2H-chromen-2-one
Smile: O=C1C(C(C2=C([2H])C([2H])=C([N+]([O-])=O)C([2H])=C2[2H])([2H])CC(C)=O)=C(O)C3=C(O1)C=CC=C3