PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26523465-0 2015 Synthesis of Sterically Protected Xanthene Dyes with Bulky Groups at C-3" and C-7". Xanthenes 34-42 complement C3 Homo sapiens 69-72 26523465-1 2015 Substitution of the xanthene scaffold with bulky groups at C-3" and C-7" is expected to protect the electrophilic central methine carbon against nucleophilic attack and inhibit stacking. Xanthenes 20-28 complement C3 Homo sapiens 59-62