<Li> CHEBI: 18303 </Li> <Tr> <Td> ChemSpider </Td> <Td> <Ul> <Li> none </Li> </Ul> </Td> </Tr> <Ul> <Li> none </Li> </Ul> <Tr> <Td> ECHA InfoCard </Td> <Td> 100.029. 368 </Td> </Tr>

The phosphoserine portion of the phosphatidylserine molecule is called the