Table: functional_groups_2
Columns: chemical_class
group
formula
prefix
suffix

Question: What is the prefix for the formula of Rsor'?
SQL: SELECT "prefix" FROM functional_groups_2 WHERE "formula" = 'rsor'''

Question: Which group has the RNCS formula?
SQL: SELECT "group" FROM functional_groups_2 WHERE "formula" = 'rncs'

Question: Which formula has a thial as a chemical class?
SQL: SELECT "formula" FROM functional_groups_2 WHERE "chemical_class" = 'thial'

Question: Which suffix has the prefix of isothiocyanato- (-ncs)?
SQL: SELECT "suffix" FROM functional_groups_2 WHERE "prefix" = 'isothiocyanato- (-ncs)'

Question: Which item has the suffix containing thiocyanato- (-scn) as a prefix?
SQL: SELECT "suffix" FROM functional_groups_2 WHERE "prefix" = 'thiocyanato- (-scn)'

Question: Which formula has thial as a chemical class?
SQL: SELECT "formula" FROM functional_groups_2 WHERE "chemical_class" = 'thial'