8-(2-噻唑)-1,4-二噁螺[4.5]-8-癸醇

9-氨基-2-羟基吖啶

1,4-dioxaspiro[4.5]dec-7-en-8-ylmethanol

ethyl 8-methyl-1,4-dioxaspiro[4.5]dec-7-ene-7-carboxylate

4-(4-联苯)环己酮