[ None ]

[ 3' ]
[ replace ]
C3'	C3'	CN7	12.011 	   0.14	
H3'	H3'	HN7	1.008	   0.09
O3'	O3'	ON5	15.9994   -0.66
[ Add ]
1	2	H3T	O3'	C3'	C4'
		HN5     1.008     0.43	-1