<Tr> <Td> 1--3 </Td> <Td> 0.6 </Td> </Tr> <Tr> <Td> 4--6 </Td> <Td> 0.7 </Td> </Tr> <Tr> <Td> 7--10 </Td> <Td> 1.0 </Td> </Tr> <Tr> <Td> 11--14 </Td> <Td> 1.4 </Td> </Tr>

Riboflavin has functions that are most similar to what other vitamin