Synonyms: (+)-1α,3β,27-Trihydroxy-5,24-withadienolide;(+)-Pubesenolide;(22R)-1α,3β,22,27-Tetrahydroxyergosta-5,24-diene-26-oic acid 26,22-lactone;[22R,(+)]-1α,3β,22,27-Tetrahydroxyergosta-5,24-dien-26-oic acid 26,22-lactone;[22R,(+)]-1α,3β,22,27-Tetrahydroxyergosta-5,24-diene-26-oic acid 26,22-lactone;Pubesenolide