All
 H01 Natural Sciences D010811 +
 H01.181 Chemistry D002621 +
 H01.181.122 Biochemistry D001671 +
 H01.181.216 Chemistry, Agricultural D002622 +
 H01.181.278 Chemistry, Analytical D002623 +
 H01.181.341 Chemistry, Clinical D002624 
 H01.181.404 Chemistry, Organic D002625 +
 H01.181.466 Chemistry, Pharmaceutical D002626 +
 H01.181.529 Chemistry, Physical D002627 +
 H01.181.650 Microchemistry D008832 
 H01.181.370 Chemistry, Inorganic D015392 +