日日夜夜撸,人妻无码一区二区不卡无码av,日产亚洲 a,人妻精品久久久久中文字幕69,欧美激情欧美精品一区二区

CAS號(hào)查詢

化工產(chǎn)品

CAS號(hào)查詢化工產(chǎn)品

熱門搜索化學(xué)品最多只顯示前20條,請(qǐng)點(diǎn)擊“搜索化學(xué)品”查看所有結(jié)果


CAS登錄號(hào) 中文名 英文名 分子結(jié)構(gòu)式 分子式 詳情 供應(yīng)商
518-20-7環(huán)香豆素;
環(huán)香豆素
PYRANOCOUMARIN;
3,4-DIHYDRO-2-METHOXY-2-METHYL-4-PHENYL-2H,5H-PYRANO[3,2-C][1]-BENZOPYRAN-5-ONE;
PYRANOCOUMARIN;
PYRANOCUMARIN;
2h,5h-pyrano(3,2-c)(1)benzopyran-5-one,3,4-dihydro-2-methoxy-2-methyl-4-phenyl;
2H,5H-Pyrano[3,2-c][1]benzopyran-5-one, 3,4-dihydro-2-methoxy-2-methyl-4-phenyl-;
2-Methoxy-2-methyl-4-phenyl-3,4-dihydro-2H,5H-pyrano[3,2-c]chromen-5-one;
2-methyl-2-methoxy-4-phenyl-3,4-dihydro-pyrano-(3,2-c)-cumarin;
3,4-dihydro-2-methoxy-2-methyl-4-phenyl-2h,5h-pyrano(3,2-c)(1)benzopyran-5-o
CAS:518-20-7化學(xué)結(jié)構(gòu)C20H18O4詳情供應(yīng)商
熱門搜關(guān)鍵詞:醛 萘 酯 KNO4 Nonanediol hydroxytridecan Triethyla decapentaene 萘 甲橋 環(huán)辛二烯 氯化銥 二聚體 ethyleneoxymethylene C2H5OCOCOOC2H5 CH3OCHCH3CH3 CH3CHCOOH 甲基磺酸鋰 C14H20N2O5 Uncineol di-butyl 磷酰三胺 5-乙基-5-苯基巴比妥酸 Fmoc-D-異亮氨酸 ?y???D EC NO% 1%1? 二苯基乙二肟 尼龍4/6 羥基 二叔丁基苯基 苯并三唑 polymer with 1,4-butanediol and 1,1'-methylenebis[4-isocyanatobenzene] 四氫糠酸 碘代聯(lián)苯 EVACAS NO 對(duì)硝基苯 甲酸 氯 羧基喹啉 kclo 氨乙; (III)水 十一氟代 琥乙紅霉 (s)-tert-leucinol 甲氨基- 左旋 堿 1-磺酸鈉 吸 CAS NO