13β-Ethyl-3-methoxy-17α-methylaminomethyl-1,3,5(10)-gonatrien-17β-ol 在
sulfinylcarbamic acid ethyl ester 作用下,
生成 (17 S)-18β-ethyl-3-methoxy-1,3,5-gonatriene-17-spiro-5'-(3'-methyl-1',2',3'-oxathiazolidine)-2'-oxide 、
(17 S)-18β-ethyl-3-methoxy-1,3,5-gonatriene-17-spiro-5'-(3'-methyl-1',2',3'-oxathiazolidine)-2'-oxide