PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1883093-2 1991 Three ophthalmic surface-acting agents, benzalkonium chloride, dimethyl sulfoxide, and proparacaine hydrochloride, were evaluated individually for their effectiveness in enhancing absorption of topically applied insulin. Dimethyl Sulfoxide 63-81 insulin Felis catus 212-219