结构类似于环巴胺的杀菌生物碱;a steriodal alkaloid structurally similar to Cyclopamine;盐酸托马替丁是一种在结构上类似于环巴胺的杀菌生物碱,但不抑制刺猬蛋白途径。它可用作环巴胺和KAAD-环巴胺的阴性对照。;Tomatidine hydrochloride is a steriodal alkaloid structurally sumilar to cyclopamine but does not inhibit hedgehog pathway. It can be employed as a negative control for cyclopamine and KAAD-cyclopamine.