1-Piperidinyloxy, 4-((5,5a,6,8,8a,9-hexahydro-9-(4-hydroxy-3,5-dimethoxyphenyl)-8-oxofuro(3',4':6,7)naphtho(2,3-d)-1,3-dioxol-5-yl)amino)-2,2,6,6-tetramethyl-, (5-alpha,5a-beta,8a-alpha,9-beta)- 125670-69-1 4-(2,2,6,6-Tetramethyl-1-oxylpiperidin-4-ylamino)-4'-demethylepipodophyllotoxin 4-(4''-(2'',2'',6'',6''-Tetramethyl-1''-piperidinyloxy)amino)-4'-demethylepipodophyllotoxin GP 7 GP-7,3