for the following products
4'-Demethyl epi-podophyllotoxin (dmep) | 4'-Dmep | Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5ah)-one,5,8,8a,9-tetrahydro-9-hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-,(5R,5aR,8aR,9S)- | Podophyllotoxin Derivative 1 and 4'-Demethylepipodophyllotoxin
