-6- 



Solution 

 Symbol . 



Molecular Proportions* 



RlSl 

 R1S2 

 R1S3 

 R1S4 

 R1S5 

 R1S6 



R2S1 

 R2S2 

 R2S3 

 R2S4 

 R2S5 



R3S1 

 R3S2 

 R3S3 

 R3S4 



R4S1 

 R4S2 

 R4S3 



R5S1 

 R5S2 



R6 



SI 



