21. The salts in use are the hydrobromide ( free base conversion ratio 0.806 ) and hydrochloride ( 0.902 ). 22. The salts in use are the tartrate ( free base conversion ratio 0.644 ) and hydrobromide ( 0.958 ). 23. It has been almost exclusively used as the fumarate salt, which has a free base conversion ratio of 0.70. 24. The salts in use are the hydrobromide ( free base conversion ratio 0.770 ) and the tartrate ( 0.644) 25. The salts in use are the bitartrate ( free base conversion ratio 0.643 ) and hydrochloride ( 0.770 ). 26. The salts in use are the tartrate ( free base conversion ratio 0.58 ) and hydrobromide ( 0.76 ). 27. Nicocodeine is almost always used as the hydrochloride salt, which has a free base conversion ratio of . 917. 28. The Wurtsmith Base Conversion Authority terminated in 1994, when the Charter Township of Oscoda took over as the Redevelopment Authority. 29. The salts in use are the free base hexahydrate ( free base conversion ratio 0.715 ), and hydrochloride ( 0.833 ). 30. The salts of dextromoramide in use are the hydrochloride ( free base conversion ratio 0.915 ) and tartrate ( 0.724 ).