1. Introduction  
2. Data Analysis  
2.1. Observations  
2.2. Species Identification  
2.3. LTE Model and Detection Criteria  
2.4. χ²-Fitting  
2.5. Uncertainties and Continuum Corrections  
3. Results  
3.1. Abundances and Rotational Temperatures  
3.2. New Detections  
3.3. Identification of CHD₂OH Lines  
4. Discussion  
4.1. Comparison between IRAS 16293 A and B  
4.2. Spatial Extent  
4.3. Differentiation in Rotational Temperature  
4.4. D/H Ratio  
5. Conclusions