Doh I did wonder why that count == 0 was there.

johnmay · johnmay · commit b09766a8debe · 2021-02-06T22:46:57.000Z
diff --git a/storage/inchi/src/main/java/org/openscience/cdk/inchi/InChIGenerator.java b/storage/inchi/src/main/java/org/openscience/cdk/inchi/InChIGenerator.java
@@ -272,7 +272,7 @@ private void generateInchiFromCDKAtomContainer(IAtomContainer atomContainer, boo
                 } else {
                     iatom.setRadical(INCHI_RADICAL.TRIPLET);
                 }
-            } else {
+            } else if (count != 0) {
                 throw new CDKException("Unrecognised radical type");
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -272,7 +272,7 @@ private void generateInchiFromCDKAtomContainer(IAtomContainer atomContainer, boo`
`272`	`272`	`} else {`
`273`	`273`	`iatom.setRadical(INCHI_RADICAL.TRIPLET);`
`274`	`274`	`}`
`275`		`- } else {`
	`275`	`+ } else if (count != 0) {`
`276`	`276`	`throw new CDKException("Unrecognised radical type");`
`277`	`277`	`}`
`278`	`278`	`}`