73385-38-3
(+/-)-trans-3-Bromo-7-methoxy-2,2-dimethylchraman-4-ol
→
73385-35-0
5-methoxy-2,2-dimethyl-1a,7b-dihydrooxireno[2,3-c]chromene
17598-02-6
早熟素Ⅰ