英文别名(5α,13α,17α,20S,21R)-21-Methoxy-4,4,14-trimethyl-3-oxocard-7-enolide; 5-methoxy-4-(4,4,10,13,14-pentamethyl-3-oxo-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl)oxolan-2-one; 3-Oxo-21alpha-methoxy-24,25,26,27-tetranortirucall-7-ene-23(21)-lactone; (4S,5R)-5-methoxy-4-[(5R,9R,10R,13S,14S,17S)-4,4,10,13,14-pentamethyl-3-oxo-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]oxolan-2-one; Card-7-enolide, 21-methoxy-4,4,14-trimethyl-3-oxo-, (5α,13α,17α,20S,21R)- 
