方案
98%
旋光性
[α]20/D −32°, c = 1 in chloroform
mp
239-241 °C (lit.)
SMILES字符串
[H][C@]12CCC(=O)C=C1CC[C@]3([H])[C@]2([H])CC[C@@]4(CC)[C@@]3([H])CC[C@@]4(O)C#C
InChI
1S/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,13,16-19,23H,3,5-12H2,1H3/t16-,17+,18+,19-,20-,21-/m0/s1
InChI key
WWYNJERNGUHSAO-XUDSTZEESA-N
警示用语：
Danger
危险声明
危险分类
Carc. 2 - Lact. - Repr. 1A
储存分类代码
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
Alice W Y Wong et al.
Obstetrics and gynecology, 121(5), 943-950 (2013-05-03)
To estimate the rate of endometrial pathology with the prophylactic use of levonorgestrel-releasing intrauterine system in women with breast cancer treated with tamoxifen. This was a randomized contro-lled trial of 129 Chinese women who attended a university hospital in Hong
Satu Heliövaara-Peippo et al.
American journal of obstetrics and gynecology, 209(6), 535-535 (2013-09-04)
Menorrhagia is a common problem impairing the quality of life (QOL) of many women. Both levonorgestrel-releasing intrauterine system (LNG-IUS) and hysterectomy are effective treatment modalities but no long-term comparative studies of QOL and costs exist. The objective of this study
Elizabeth A McCarthy et al.
Contraception, 86(5), 587-590 (2012-04-14)
Correctly placed levonorgestrel-releasing intrauterine systems (LNG-IUSs) are rarely associated with intrauterine pregnancy when pregnancy occurs. LNG-IUS retrieval, termination of pregnancy and conservative management if retracted strings prevent ready removal are the usual clinical options given to women. The conservative course
Abbey B Berenson et al.
Obstetrics and gynecology, 121(5), 951-958 (2013-05-03)
Many U.S. health care providers remain reluctant to prescribe intrauterine devices (IUDs) to teenagers as a result of concerns about serious complications. This study examined whether 15-19-year-old IUD users were more likely to experience complications, failure, or early discontinuation than
Anita Nelson et al.
Obstetrics and gynecology, 122(6), 1205-1213 (2013-11-19)
To evaluate the efficacy and safety of two low-dose levonorgestrel intrauterine contraceptive systems. Nulliparous and parous women aged 18-35 years with regular menstrual cycles (21-35 days) requesting contraception were randomized to 3 years of treatment with one of two levonorgestrel
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