Showing structure for 1,2-bis({7-[(2r,3r)-3-(non-8-en-1-yl)oxiran-2-yl]hepta-4,6-diynoyl}oxy)ethyl 7-[(2r,3r)-3-(non-8-en-1-yl)oxiran-2-yl]hepta-4,6-diynoate