1	CU9	6,6',7',12'-tetramethoxy-2,2,2',2'-tetramethyltubocuraran-2,2'-diium	1.000
2	TC9	D-tubocurarine	0.860
3	TUB	(1beta,1'alpha)-7',12'-dihydroxy-6,6'-dimethoxy-2,2',2'-trimethyltubocuraran-2'-ium	0.860