PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8568826-2 1996 The derivatives with a methyl group or hydrogen at C-4 and lacking the lactone moiety were much less cytotoxic than mycophenolic acid. Mycophenolic Acid 116-133 complement C4A (Rodgers blood group) Homo sapiens 51-54 8568826-3 1996 The monocyclic analogues with a C-4 chloro group did show some activity, albeit much less than mycophenolic acid. Mycophenolic Acid 95-112 complement C4A (Rodgers blood group) Homo sapiens 32-35