<Tr> <Td> Pu </Td> <Td> </Td> <Td> </Td> <Td> α </Td> <Td> 6561 a </Td> <Td> 5.1683 </Td> <Td> U </Td> </Tr> <Tr> <Td> U </Td> <Td> </Td> <Td> Thoruranium </Td> <Td> α </Td> <Td> 2.3 × 10 a </Td> <Td> 4.494 </Td> <Td> Th </Td> </Tr> <Tr> <Td> Th </Td> <Td> Th </Td> <Td> Thorium </Td> <Td> α </Td> <Td> 1.405 × 10 a </Td> <Td> 4.081 </Td> <Td> Ra </Td> </Tr> <Tr> <Td> Ra </Td> <Td> MsTh </Td> <Td> Mesothorium 1 </Td> <Td> β </Td> <Td> 5.75 a </Td> <Td> 0.046 </Td> <Td> Ac </Td> </Tr>

Which daughter element is produced from the alpha decay of 213 85 at