PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30398210-1 2018 The proto-alkaloid synephrine {SYN; systematic name: 4-[1-hydroxy-2-(methylamino)ethyl]phenol}, C9H13NO2, is found to crystallize as a neutral molecule in the racemate and as a zwitterion in the pure enantiomer, in which the phenolic H atom has been transferred to the amino group. Alkaloids 10-18 synemin Homo sapiens 31-34