(3R,3aR,4R,4aR,7aR,8R,9aS)-3,4a,8-三甲基-2,5-二羰基-2,3,3a,4,4a,5,7a,8,9,9a-十氢薁并[6,5-b]呋喃-4-基乙酸酯
10092-04-3