妊娠5-en-20-一,3-(乙酰氧基)-,(3β)-,Compd。用(2,5-二氧氧-4-咪唑烷基)尿素(1：1)

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(3β)-3-(acetyloxy)pregn-5-en-20-one, (2,5-dioxo-4-imidazolidinyl)urea (1:1)

Allantoin pregnenolone acetate;Allantoin, compd. with 3β-hydroxypregn-5-en-20-one acetate (1:1);Pregn-5-en-20-one, 3-(acetyloxy)-, (3β)-, compd. with (2,5-dioxo-4-imidazolidinyl)urea (1:1);Pregn-5-en-20-one, 3β-hydroxy-, acetate, compd. with allantoin (1:1);Urea, (2,5-dioxo-4-imidazolidinyl)-, compd. with (3β)-3-(acetyloxy)pregn-5-en-20-one (1:1)