丽春花定是一种化学物质，分子式是C21H21NO6。

中文别名:丽春花碱; 大黄定; (+)-丽春花定碱

英文别名:3:10,11-bis(methylenebis(oxy))-8-methoxy-16-methyl-(8-beta)-rheada; 8-beta-methoxy-16-methyl-2,3:10,11-bis(methylenebis(oxy))rheadan; rheadine; rhoeadin; 8β-Methoxy-16-methyl-2,3:10,11-bis[methylenebis(oxy)]rheadan; Brn 0098745; Rheadan, 8-methoxy-16-methyl-2,3:10,11-bis(methylenebis(oxy))-, (8-beta)-