A steroid derivative of the formula (I):
wherein X is hydrogen or fluorine; R¹ is hydrogen, hydroxyl or methyl; R² and R³ are each independently hydrogen, hydroxy, -O(CH₂)nSi(R)₃ or -OCOR; R⁴ is a lower alkyl having 1 to 4 carbon atoms; R is a lower alkyl having 1 to 4 carbon atoms; and n is an integer of 1 to 6, which has a potent anti-inflammatory activity with high selectivity but does not show an undesirable side effect of glucocorticoids.
式 (I) 的类
固醇衍
生物:
其中 X 是氢或
氟;R¹ 是氢、羟基或甲基;R² 和 R³ 各自独立地是氢、羟基、-O(CH₂)nSi(R)₃ 或 -OCOR;R⁴ 是具有 1 至 4 个碳原子的低级烷基;R 是具有 1 至 4 个碳原子的低级烷基;n 是 1 至 6 的整数,具有高选择性的强效抗炎活性,但不会出现糖皮质激素的不良副作用。