Dextromethorphan125-71-3100 % similar Dextromethorphan hydrobromide monohydrate6700-34-188 % similar Dimemorfan phosphate36304-84-460 % similar Sinomenine115-53-736 % similar Sinomenine hydrochloride6080-33-735 % similar Tramadol27203-92-533 % similar 2-Amino-7-methoxytetralin4003-89-833 % similar Tramadol hydrochloride22204-88-232 % similar Venlafaxine93413-69-530 % similar