| sulfur-containing cytotoxic curvularin macrolides from penicillium sumatrense ma-92, a fungus obtained from the rhizosphere of the mangrove lumnitzera racemosa. | sumalarins a-c (1-3), the new and rare examples of sulfur-containing curvularin derivatives, along with three known analogues (4-6), were isolated and identified from the cytotoxic extract of penicillium sumatrense ma-92, a fungus obtained from the rhizosphere of the mangrove lumnitzera racemosa . their structures were established by detailed interpretation of nmr and ms data, and compound 1 was confirmed by x-ray crystallographic analysis. compounds 1-3 and 5 showed potent cytotoxicity against ... | 2013 | 24195466 |