Over 25 alkaloids have been isolated from kratom. The most abundant alkaloids consist of three indoles and two oxindoles. The three indoles are mitragynine, paynanthine, and speciogynine-the first two of which appear to be unique to this species. The two oxindoles are mitraphylline and speciofoline.
Wikipedia edition codes. Distribution of the 45,958,285 articles in different language editions (as of 22 August 2017) The majority of the articles in Swedish, Cebuano, and Waray were created by Lsjbot.
Parts of Speech Chapter 9 - Articles. An article is a kind of adjective which is always used with and gives some information about a noun. There are only two articles a and the, but they are used very often and are important for using English accurately.