英文别名
rac-(20Ξ)-3,3-ethanediyldioxy-11β,14,20,21-tetrahydroxy-16,17-seco-14β-pregn-5-ene-16,18-dioic acid-16-ethyl ester-18=>11-lactone;rac-(20Ξ)-3,3-Aethandiyldioxy-11β,14,20,21-tetrahydroxy-16,17-seco-14β-pregn-5-en-16,18-disaeure-16-aethylester-18=>11-lacton