diff --git a/Goslin.g4 b/Goslin.g4
index 50fe560..f842f40 100644
--- a/Goslin.g4
+++ b/Goslin.g4
@@ -182,7 +182,7 @@ mediator_functions : mediator_mono_functions | mediator_di_functions | mediator_
 mediator_mono_functions: 'H' | 'Oxo' | 'oxo' | 'OXO' | 'keto' | 'Hp' | 'HP' | 'NO2' | 'K' | 'k' | 'hydroxy' | 'd' | 'deoxy' | 'beta' | 'iso';
 mediator_di_functions: 'E' | 'Ep' | 'EP' | 'DH' | 'DiH' | 'diH' | 'dihydro' | 'dh';
 mediator_tri_functions : 'TriH' | 'triH' | 'trihydroxy';
-mediator_full_function : mediator_position_group mediator_func_group_separator mediator_mono_functions | mediator_di_pos mediator_func_group_separator mediator_di_functions | mediator_tri_pos mediator_func_group_separator mediator_tri_functions | mediator_position_group mediator_mono_functions;
+mediator_full_function : mediator_position_group mediator_func_group_separator mediator_mono_functions | mediator_di_pos mediator_func_group_separator mediator_di_functions | mediator_tri_pos mediator_func_group_separator mediator_tri_functions | mediator_position_group mediator_mono_functions | mediator_position_group mediator_mono_functions | mediator_di_pos mediator_di_functions | mediator_tri_pos mediator_tri_functions | mediator_position_group mediator_mono_functions;
 mediator_db_function : mediator_double_bond_positions mediator_func_group_separator mediator_mono_functions;
 mediator_double_bond_positions_full : '(' mediator_double_bond_positions ')';
 mediator_double_bond_positions : mediator_double_bond_position | mediator_double_bond_positions ',' mediator_double_bond_position;
diff --git a/LipidMaps.g4 b/LipidMaps.g4
index b6bc79d..6318765 100644
--- a/LipidMaps.g4
+++ b/LipidMaps.g4
@@ -122,8 +122,8 @@ hg_threepl: 'SLBPA' | 'PS-NAc' | 'NAPE';
 
 /* sphingolipid rules */
 sl: lsl | dsl;
-lsl: hg_lslc round_open_bracket lcb round_close_bracket | hg_lslc lcb | sphinga;
-dsl: hg_dslc dsl_species | hg_dslc dsl_subspecies;
+lsl: hg_lslc round_open_bracket lcb round_close_bracket | hg_lslc lcb | sphinga | hg_lsl_pure;
+dsl: hg_dslc dsl_species | hg_dslc dsl_subspecies | hg_dslc c_type;
 dsl_species: round_open_bracket lcb round_close_bracket | lcb;
 dsl_subspecies: round_open_bracket lcb_fa_sorted round_close_bracket | lcb_fa_sorted;
 
@@ -140,6 +140,7 @@ sphinga_C_lcb : 'C' sphinga_lcb_len;
 sphinga_lcb_len : number;
 sphinga_bracket_lcb : round_open_bracket lcb round_close_bracket | lcb;
 
+c_type : 'C' carbon | 'C' carbon carbon_db_separator db;
 
 
 hg_dslc: hg_dsl_global | hg_dsl_global headgroup_separator;
@@ -167,9 +168,8 @@ greek : 'alpha' | 'beta' | 'α' | 'β';
 
 
 hg_lslc: hg_lsl | hg_lsl headgroup_separator;
-hg_lsl: 'SPH' | 'Sph' | 'S1P' | 'HexSph' | 'SPC' | 'SPH-P' | 'LysoSM' | 'SIP';
-
-
+hg_lsl_pure : hg_lsl;
+hg_lsl: 'SPH' | 'Sph' | 'S1P' | 'HexSph' | 'SPC' | 'SPH-P' | 'LysoSM' | 'SIP' | 'GlcSph' | 'GalSph';
 
 /* polyketides */
 pk : pk_hg pk_fa;