(2,4-Dihydroxy-2H-pyran-3(6H)-ylidene)acetic acid, 3,4-lactone 149-29-1 2,4-Dihydroxy-2H-pyran-.delta.-3(6H),.alpha.-acetic acid, 3,4-lactone 2H-Pyran-.delta.(sup 3(6H),.alpha.)-acetic acid, 2,4-dihydroxy-, 3,4-lactone 4-Hydroxy-4H-furo[3,2-c]pyran-2(6H)-one 4H-Furo[3,2-c]pyran-2(6H)-one, 4-hydroxy- Acetic acid, (2,4-dihydroxy-2H-pyran-3(6H)-ylidene)-, 3,4-lactone Clairformin Clavacin Clavatin Claviform Claviformin Expansin Expansine Gigantin Leucopin Mycoin Mycoin C Mycoin C3 Mycoine C3 Mycosin NSC 8120 NSC32951 PATULIN Patuline Penatin Penicidin Tercinin Terinin WLN: T56 BOV GO IU & TJ FQ