Showing structure for (1s,2r,7r,9r,11r)-1,2,5-trimethyl-12-methylidene-8-oxatricyclo[7.2.1.0²,⁷]dodec-5-en-11-yl (2z,4e)-5-[(2r,3r)-3-methyloxiran-2-yl]penta-2,4-dienoate