螺[1,3-二氧戊環(huán)-2,8'(9'H)-[7H-7,9a]甲橋苯并[a]甘菊環(huán)]
螺[1,3-二氧戊環(huán)-2,8'(9'H)-[7H-7,9A]甲橋苯并[A]甘菊環(huán)]
Spiro[1,3-dioxolane-2,8'(9'H)-[7H-7,9a]methanobenz[a]azulene]
Spiro1,3-dioxolane-2,8(9H)-7H-7,9amethanobenzaazulene;7H-7,9a-Methanobenz[a]azulen-8(9H)-one cyclic 1,2-ethanediyl acetal
