tetracyclic coordinates[计] [数] 四圆坐标
tetracyclic antidepressant四环抗抑郁药;四环类抗抑郁药
tetracyclic diterpenoid四环双帖类
tetracyclic hydrocarbon四环烃
Tetracyclic Hcl盐酸四环素
tetracyclic terpane四环萜烷
Tetracyclic antidepressants四环类
tetracyclic triterpenoids四环三萜
ADJ（形容词） (of a compound) containing four rings in its molecular structure (化合物)四环的 [chem]