56326-21-7 BRN 1258905 PR alcohol PRT alcohol PRT alcool [French] Spiro(naphth(1,2-b)oxirene-5-(1aH),2'-oxiran)-3'-carboxaldehyde, 2,3,3a,4,6,7b-hexahydro-2-hydroxy-6-oxo-3,3',3a-trimethyl-, (1aR-(1a-alpha,2-beta,3-beta,3a-beta,5-beta(S*),7b-alpha))- Toxin PR alcohol