Dimethyl ketone Anthranilic acid also known as o-Aminobenzoic acid Ethyl ether also known as Ether or Diethyl ether or Ethyl oxide or Diethyl oxide or Ethoxyethane or 1, 1'-Oxybisethane Hydrochloric acid Methyl ethyl ketone also known as 2-Butanone Phenylacetic acid also known as Benzeneacetic acid or a-Toluic acid Piperidine also known as Hexahydropyridine Potassium permanganate Sulphuric acid Toluene also known as Methylbenzene or Phenylmethane See also Capital punishment in Singapore Capital punishment for drug trafficking Criminal law of Singapore Law of Singapore Ong Ah Chuan v. Public Prosecutor History of opium in Singapore References External links Singapore Anti Narcotics Association Misuse of Drugs Act 1973 (2020 Rev. Ed.) 1973 in law 1973 in Singapore Singaporean criminal law Drug control law Drug policy of Singapore