57345-19-4 5H-3,5a-Epoxynaphth(2,1-c)oxepin, dodecahydro-3,8,8,11a-tetramethyl- Dodecahydro-3,8,8,11a-tetramethyl-5H-3,5a-epoxynaphth(2,1-c)oxepin EINECS 260-686-4