Hya  -  Hydroxx Nummer
Hycanthon 16 / # (19a+c)
Hycanthon-methylsulfonat 16 / # (19c)
Hydnocarpus kurzii 14
Hydralazin 14 / 18
Hydramethylnon 14
Hydrangea 18
Hydrangea arborescens
Hydrangenol Selten 18 / # 120 Stark
Hydrastin 14
Hydrastinin
Hydrastis canadensis 14 / # 227 ++
Hydratrop-aldehyd 16
Hydratrop-aldehyd-di-methyl-acetal
Hydratrop-alkohol 14
Hydrazide
Hydrazin 14 / gelegentlich 18 / 19
19a /
# (19b) / # 21 Haut
Hydrazin-bis-(3-carboxy-4-hydroxy-benzol-sulfonat) 14 / 18 / 19a
Hydrazin-hydrat
Hydrazinium-bromid
Hydrazinium-di-chlorid
Hydrazinium-hydroxid
Hydrazinium-sulfat
Hydrazin Monohydrat
N,N-Hydrazino-di-essigsäure 14 / 18
(4-Hydrazino-phenyl)-N-methyl-methan-sulfonamid-hydro-
chlorid
14 / 18 / 19c
Hydrazinsalze 14 / 18 / 19a
Hydrazin-tri-nitromethan
Hydrazobenzol 14 / 10 / 19a
Hydroa-bi-etylalkohol 16 / 18
Hydrochinon 16 / 13 / 18 / 19 /
# (19a-c) /
# 6 Augen / # 21 Haut
Hydrochinon-bis-(2-hydroxy-ethyl)-ether 16
Hydrochinon-mono-benzylether 16 / 18
Hydrochinon-mono-methylether 16 / 18 / # 104 Wirkt
Hydrochloro-thiazid xxx
Hydrocodon 14 / 18
Hydrocotarnin Hydrobromid 14
Hydrocumol 16
Hydrodehydro-linalool
Hydrogen-bromid 2
Hydrogen-chlorid 11 / 19 / Über AGW 19b
Hydrogen-cyanid 7 / 19 / Über MAK 19b /
# 21 Haut
Hydrogen-iodid 11 / 18 / 19
Hydrogen-natrium-N-carboxylato-ethyl-N-octadec-9-enyl-
maleamat
16 / 18
Gemisch aus :     Hydrogen-,     Natrium-,     Kalium-7-
(((3-aminophenyl)sulfonyl)amino)-naphthalin-1,3-disulfonat
Hydro-morphinol 14
Hydro-morphon
1-Hydro-peroxy-cyclohexyl-1-hydroxy-cyclohexyl-peroxid xxx
S-Hydropren 16
Hydroxo-[2-(benzol-sulfon-amido)-benzoato]-zink (II)