12710
In the present study , three new piperidine alkaloids , microgrewiapines A - C ( 1 - 3 ) , as well as three known compounds , inclusive of microcosamine A ( 4 ) , 7 ' - ( 3 ' , 4 ' - dihydroxyphenyl ) - N - [ 4 - methoxyphenyl ) ethyl ] propenamide ( 5 ) , and liriodenine ( 6 ) , were isolated from cytotoxic fractions of the separate chloroform - soluble extracts of the stem bark , branches , and leaves of M . paniculata .
 piperidine alkaloids, microgrewiapines A - C, microcosamine A, 7 ' - ( 3 ' , 4 ' - dihydroxyphenyl ) - N - [ 4 - methoxyphenyl ) ethyl ] propenamide, liriodenine, chloroform
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 piperidine alkaloids, microgrewiapines A - C, microcosamine A, 7 ' - ( 3 ' , 4 ' - dihydroxyphenyl ) - N - [ 4 - methoxyphenyl ) ethyl ] propenamide, liriodenine, chloroform