| 摘要 |
1,224,672. Plant growth regulants. SHIONOGI & CO. Ltd. 21 March, 1968 [28 March, 1967 (2)], No. 13623/68. Heading C1B. [Also in Division C2] Compounds of formula where R 1 , R 2 and R 3 are each H or acetyl, R 4 is H, OH, methoxy or acetoxy and -X-Y# is -CH=C# or -CH 2 CH# are used as plant growth regulating agents. They are designated as Lycoricidins. |
