56299-00-4 CCRIS 4938 HSDB 7247 PR Toxin PR toxine [French] PR-Toxin PRT Spiro(naphth(1,2-b)oxirene-5(1aH),2'-oxirane)-3'-carboxaldehyde, 2-(acetyloxy-2,3,3a,4,6,7b-hexahydro-3,3',3a-trimethyl-6-oxo-, (1aR,2R,2'R,3R,3'S,3aR,7bS)- Spiro(naphthalene-2(1H),2'-oxirane)-3'-carboxaldehyde, 3,5,6,7,8,8a-hexahydro-7-acetoxy-5,6-epoxy-3',8,8a-trimethyl-3-oxo- Toxin (Penicillium roquefortii) Toxin PR