diff --git a/context/context.json b/context/context.json
index f092a36..fd193d0 100644
--- a/context/context.json
+++ b/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1176,8 +1176,8 @@
         "Dimethoxyethane": "https://w3id.org/emmo/domain/chemical-substance#substance_b6ecabf9_14a4_4808_a139_55329e70ad42",
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
-        "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_b593b5dd_7957_4b85_856a_dd59775210b6",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -1881,7 +1881,7 @@
         "Luminance": "https://w3id.org/emmo#EMMO_97589322_710c_4af4_9431_1e5027f2be42",
         "LuminanceUnit": "https://w3id.org/emmo#EMMO_4000d06d_8594_4263_ba72_5d9440b66c5e",
         "LuminousEfficacyOf540THzRadiation": "https://w3id.org/emmo#EMMO_506f7823_52bc_40cb_be07_b3b1e10cce13",
-        "LuminousEfficacyUnit": "https://w3id.org/emmo#EMMO_044f83a6_ade4_4441_9c73_5490dd93344f",
+        "LuminousEfficacyUnit": "https://w3id.org/emmo#EMMO_5c003f53_20a2_4bd7_8445_58187e582578",
         "LuminousFlux": "https://w3id.org/emmo#EMMO_e2ee1c98_497a_4f66_b4ed_5711496a848e",
         "LuminousIntensity": "https://w3id.org/emmo#EMMO_50bf79a6_a48b_424d_9d2c_813bd631231a",
         "LuminousIntensityUnit": "https://w3id.org/emmo#EMMO_14ff4393_0f28_4fb4_abc7_c2cc00bc761d",
@@ -1923,7 +1923,7 @@
         "MagnesiumTriflate": "https://w3id.org/emmo/domain/chemical-substance#substance_df24fad8_7ef0_4330_a3f2_c4d65d9a3be8",
         "MagnesiumTrifluoromethanesulfonyloxalatoborate": "https://w3id.org/emmo/domain/chemical-substance#substance_2b7473ba_9156_489a_880f_3a2f746cd104",
         "MagneticDipoleMoment": "https://w3id.org/emmo#EMMO_81e767f1_59b1_4d7a_bf69_17f322241831",
-        "MagneticDipoleMomentUnit": "https://w3id.org/emmo#EMMO_1c2226a9_22f0_40c8_8928_5a01d398f96e",
+        "MagneticDipoleMomentUnit": "https://w3id.org/emmo#EMMO_5073dc80_aec2_4a3b_8057_fababfcbfe11",
         "MagneticFieldStrength": "https://w3id.org/emmo#EMMO_b4895f75_41c8_4fd9_b6d6_4d5f7c99c423",
         "MagneticFieldStrengthUnit": "https://w3id.org/emmo#EMMO_e6b83139_ba92_4fbd_a8b2_c8dde55844a1",
         "MagneticFlux": "https://w3id.org/emmo#EMMO_3b931698_937e_49be_ab1b_36fa52d91181",
@@ -3313,7 +3313,7 @@
         "WattSecondPerSquareMetre": "https://w3id.org/emmo#WattSecondPerSquareMetre",
         "WaveVector": "https://w3id.org/emmo#EMMO_6074aa9d_7c3b_4011_b45a_4e7cde6f5f39",
         "Wavelength": "https://w3id.org/emmo#EMMO_573c7572_e7c7_4909_93a4_2bfe102e389d",
-        "Wavenumber": "https://w3id.org/emmo#EMMO_d859588d_44dc_4614_bc75_5fcd0058acc8",
+        "Wavenumber": "https://w3id.org/emmo#EMMO_e0aaed83_9224_4bd8_a960_a813c4569412",
         "WeakAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_29fd347b_6a15_4c98_a982_84cf555b0b86",
         "WeakBaseCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_8e5448fc_1916_4afb_9fd9_2489797f6922",
         "WeakBoson": "https://w3id.org/emmo#EMMO_1dcc2b31_7ff4_49ed_a1bc_6e4c055c951c",