crude acetic acid
31heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …
32Desmethylclozapine — Systematic (IUPAC) name 8 chloro 11 piperazin 1 yl 5H dibenzo[b,e][1,4]diazepine Clinical data Pregnancy cat …
33Pethidine — Systematic (IUPAC) name …
34Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …
35Morphinan — Preferred IUPAC name Morphinan …
36Codeine — For other uses, see Codeine (disambiguation). Codeine Systematic (IUPAC) name (5α,6α) 7,8 didehydro 4,5 epoxy 3 methoxy 17 methylmorphinan 6 ol Cli …
37sensory reception, human — Introduction means by which humans react to changes in external and internal environments. Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… …
38Tryptophan — NatOrganicBox name=( S ) 2 Amino 3 (1H indol 3 yl) propionic acid PubChem = 6305 CAS = 73 22 3 SMILES = N [C@@H] (Cc1c2ccccc2n( [H] )c1)C(O)=O C=11 | H=12 | N=2 | O=2 mass=204.225 g/molTryptophan (abbreviated as Trp or W) [cite web | author=IUPAC …
39Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
40fluorine — /floor een, in, flawr , flohr /, n. Chem. the most reactive nonmetallic element, a pale yellow, corrosive, toxic gas that occurs combined, esp. in fluorite, cryolite, phosphate rock, and other minerals. Symbol: F; at. wt.: 18.9984; at. no.: 9.… …
