1. Phrase (plus): The Phrase (Field Entry is only split at certain Symbols  
AU: Katritzky, Alan R.; Cheng, Dai; Musgrave, Richard P.  

2. Automatic right hand side truncation:    Corey  =  Corey* 
 

The Title and Abstract Field 

0. "near" operator is equivalent to a bi-directional "adjacent" operator: 
          A near B    =   AB  as well as BA 

1. Wordwise (standard): The entry is split into words at the following symbols:  
. , ; : ( ) < > [ ] / = ? * + - # ! $ % <space>  

e.g. to find 3,5-dinitro*  search for: 3,5 near dinitro*