Name: PICROPODOPYHLLIN; (5R,5AS,8AR,9R)-5,8,8A,9-TETRAHYDRO-9-HYDROXY-5-(3,4,5-T RIMETHOXYPHENYL)-FURO[3',4':6,7]NAPHTHO[2,3-D]-1,3-DIOXOL-6(5AH)-ONE