PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3397989-2 1988 The C-9 and C-7 monoesters and C-7, C-9 diesters of heliotridine with (S)-(+) and (R)-(-)-2-hydroxy-2-phenylbutyric acid were prepared, converted into their N-oxides, and compared with the corresponding C-9 monoesters of retronecine in the in vivo P388 lymphocytic leukemia screen. n-oxides 157-165 complement C7 Homo sapiens 31-34