高深莫测
发表于 2025-4-1 03:23:18
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旅行路线
发表于 2025-4-1 09:04:20
Representing Geometric ConfigurationsThe intensively yellow antibiotic xanthocillin. is produced in cultures of . (., 1950, 1954). Its structure has been established as 1,4-(4-hydroxyphenyl)-butadiene-(1,3)-diisonitrile-(2,3) (I) by chemical investigations of . and . (1957).
Externalize
发表于 2025-4-1 10:45:39
Pac Learning, Noise, and GeometrySeveral diketopiperazine antibiotics have been isolated from fungi, for example gliotoxin (I), mycelianamide (II), aspergillic acid (III) and echinulin. These four antibiotics are produced by species of the genera, . and ..