updated README

README.md

@@ -14,11 +14,9 @@ For Maven:
 <dependency>
   <groupId>gov.nih.ncats</groupId>
   <artifactId>molvec</artifactId>
-  <version>0.9.7</version>
+  <version>0.9.8</version>
 </dependency>
-```
-
-
+``` 
 
 ## Example Usage: convert image into mol file format
 ```java
@@ -29,11 +27,32 @@ For Maven:
 ## Async Support
 
   MolVec supports asynchronous calls
- ```java
+```java
     CompleteableFuture<String> future = Molvec.ocrAsync( image);
     String mol = future.get(5, TimeUnit.SECONDS);
 ```
 
+## Support for producing molfile and SDfiles
+  Since version 0.9.8, Molvec has a more robust API that allows for creating both molfiles and SDfiles and adding properties to the SDfiles.
+
+```java
+MolvecOptions options = new MolvecOptions()
+                                    .setName(name)
+                                    .center(true)
+                                    .averageBondLength(2);
+
+MolvecResult result = Molvec.ocr(f, options);
+
+//write out a SDfile without any properties
+String sdfile = result.getSDfile().get());
+
+//create a map of key-value pairs and include as properties in an SDfile
+Map<String, String> props = new HashMap<>();
+
+props.put("File Name", f.getName());
+
+String sdfileWithProperties = result.getSDfile(props).get();
+```
 ## Commandline interface
   The Molvec jar has a runnable Main class with the following options
 
@@ -118,7 +137,12 @@ For Maven:
 
 ![Primitives](sample1.png)
 
+## Publications that Mention Molvec
+* [Rajan, K., Brinkhaus, H.O., Zielesny, A. et al. A review of optical chemical structure recognition tools.
+ J Cheminform 12, 60 (2020).](https://doi.org/10.1186/s13321-020-00465-0)
+
+
 ## How to Report Issues
 
   You can report issues or feature requests either by creating issue tickets on our github page or
-   by forwarding questions and/or problems to [email protected].
+   by forwarding questions and/or problems to [[email protected]](mailto:[email protected])