海量图书期刊资源，随时随地畅享阅读乐趣
ChemInform Abstract: Naturally Occurring 20,26-Dihydroxyecdysone Exists as Two C-25 Epimers Which Exhibit Different Degrees of Moulting Hormone Activity.Apichart Suksamrarn; Boon-ek Yingyongnarongkul; Nart Promrangsan · 1999