1,6-Dioxacycloheptadecan-7-one 12-Oxa-1,16-hexadecanolide 12-Oxahexadecanolide 16-Hydroxy-12-oxahexadecanoic acid, .omega.-lactone 6707-60-4 Cervolide NSC34741 Undecanoic acid, 11-(4-hydroxybutoxy)-, .omicron.-lactone