Showing structure for (1s,3r,4s,7r,8s)-3,6,6-trimethyl-13-oxo-12-oxatetracyclo[8.3.0.0¹,³.0⁴,⁸]tridec-9-en-7-yl n-(2,2,2-trichloro-1-hydroxyethylidene)carbamate