成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

山東默派生物科技有限公司 公司信息

公司名稱: 山東默派生物科技有限公司
電話: -
電子郵件:admin@mopaikeji.com
國(guó)籍:中國(guó)
網(wǎng)址: m.is0513.com/showsupplierproductslist1804467/0.htm
產(chǎn)品總數(shù):3815
29 30 31 32 33 34 35 36 37 38 39

公司提供產(chǎn)品列表

BETA-MSH (MONKEY) ASP-GLU-GLY-PRO-TYR-ARG-MET-GLU-HIS-PHE-ARG-TRP-GLY-SER-PRO-PRO-LYS-ASP 17750-75-3
AC-LYS-PRO-D-VAL-NH2 AC-LYS-PRO-D-VAL-NH2 137359-89-8
Mog (35-55) 髓鞘少突膠質(zhì)細(xì)胞糖蛋白 149635-73-4
PLP (139-151) 髓鞘蛋白脂質(zhì)蛋白(139-151) 122018-58-0
TYR-GLY-SER-LEU-PRO-GLN-LYS-SER-GLN-ARG-SER-GLN-ASP-GLU-ASN 豚鼠髓磷脂堿性蛋白片段68-82 98474-59-0
C-TYPE NATRIURETIC PEPTIDE (32-53) (HUMAN, PORCINE, RAT) NATRIURETIC PEPTIDE, C-TYPE;CNP 127869-51-6
ATRIAL NATRIURETIC PEPTIDE (126-149) (RAT) 絲肽蛋白 91421-87-3
ATRIAL NATRIURETIC PEPTIDE (126-150) (RAT) ARG-SER-SER-CYS-PHE-GLY-GLY-ARG-ILE-ASP-ARG-ILE-GLY-ALA-GLN-SER-GLY-LEU-GLY-CYS-ASN-SER-PHE-ARG-TYR(DISULFIDE BRIDGE: CYS4-CYS20) 90052-57-6
ATRIAL NATRIURETIC FACTOR (1-28) (RAT) 心鈉肽 88898-17-3
CNP-53 (HUMAN) 人C型鈉尿肽(1-53) 141294-77-1
(TYR0)-C-TYPE NATRIURETIC PEPTIDE (32-53) (HUMAN, PORCINE, RAT) (TYR0)-C-TYPE NATRIURETIC PEPTIDE (32-53) (HUMAN, PORCINE, RAT) 142878-79-3
atrial natriuretic peptide, frog 蛙類心房利鈉肽片段多肽1-24 118691-43-3
ATRIAL NATRIURETIC PEPTIDE (1-29), CHICKEN MET-MET-ARG-ASP-SER-GLY-CYS-PHE-GLY-ARG-ARG-ILE-ASP-ARG-ILE-GLY-SER-LEU-SER-GLY-MET-GLY-CYS-ASN-GLY-SER-ARG-LYS-ASN (DISULFIDE BRIDGE CYS7-CYS23 ) 118691-45-5
ATRIAL NATRIURETIC FACTOR (3-28) (HUMAN) ARG-ARG-SER-SER-CYS-PHE-GLY-GLY-ARG-MET-ASP-ARG-ILE-GLY-ALA-GLN-SER-GLY-LEU-GLY-CYS-ASN-SER-PHE-ARG-TYR (DISULFIDE BRIDGE CYS5-CYS21 ) 102686-43-1
ARG-SER-SER-CYS-PHE-GLY-GLY-ARG-ILE-ASP-ARG-ILE-GLY-ALA-CYS-NH2 ARG-SER-SER-CYS-PHE-GLY-GLY-ARG-ILE-ASP-ARG-ILE-GLY-ALA-CYS-NH2 (DISULFIDE BRIDGE:CYS7-CYS18) 111863-73-1
ATRIAL NATRIURETIC FACTOR (4-28) (HUMAN) 阿那立肽 95896-08-5
PREPRO-ATRIAL NATRIURETIC FACTOR (26-55) (HUMAN) ASN-PRO-MET-TYR-ASN-ALA-VAL-SER-ASN-ALA-ASP-LEU-MET-ASP-PHE-LYS-ASN-LEU-LEU-ASP-HIS-LEU-GLU-GLU-LYS-MET-PRO-LEU-GLU-ASP 112160-82-4
KALIURETIC PEPTIDE (HUMAN) SER-SER-ASP-ARG-SER-ALA-LEU-LEU-LYS-SER-LYS-LEU-ARG-ALA-LEU-LEU-THR-ALA-PRO-ARG 112160-83-5
(TYR0)-KALIURETIC PEPTIDE (HUMAN) (TYR0)-PREPRO-ATRIAL NATRIURETIC FACTOR (104-123) (HUMAN) 309245-24-7
Atrial Natriuretic Factor (3-28) (rat) ARG-ARG-SER-SER-CYS-PHE-GLY-GLY-ARG-ILE-ASP-ARG-ILE-GLY-ALA-GLN-SER-GLY-LEU-GLY-CYS-ASN-SER-PHE-ARG-TYR 90984-99-9
NEUROKININ A (4-10) ASP-SER-PHE-VAL-GLY-LEU-MET-NH2 97559-35-8
Neurokinin B 神經(jīng)激肽B 86933-75-7
NEUROKININ A 神經(jīng)激肽A 86933-74-6
BIOTINYL-NEUROKININ B BIOTINYL-NEUROKININ B 1926163-17-8
(PRO7)-NEUROKININ B (PRO7)-NEUROKININ B 120814-48-4
H-ASP-D-PRO-HIS-ASP-PHE-D-TRP-VAL-D-TRP-LEU-NLE-NH2 (D-PRO2,D-TRP6·8,NLE10)-NEUROKININ B 109212-72-8
Neuromedin S (human) Neuromedin S (human) 1138204-27-9
Prepro-Neuromedin S (70-103) (human) Prepro-Neuromedin S (70-103) (human) 894454-10-5
(Leu116)-Prepro-Neuromedin U (104-136) (human) (Leu116)-Prepro-Neuromedin U (104-136) (human) 1816939-42-0
NEUROPEPTIDE FF 神經(jīng)肽-FF 99566-27-5
NEUROPEPTIDE K, PORCINE ASP-ALA-ASP-SER-SER-ILE-GLU-LYS-GLN-VAL-ALA-LEU-LEU-LYS-ALA-LEU-TYR-GLY-HIS-GLY-GLN-ILE-SER-HIS-LYS-ARG-HIS-LYS-THR-ASP-SER-PHE-VAL-GLY-LEU-MET-NH2 106441-70-7
NEUROPEPTIDE Y (HUMAN, RAT) 神經(jīng)肽-Y (人, 鼠) 90880-35-6
NEUROPEPTIDE W-30 (HUMAN) 神經(jīng)肽W-30 (人) 383415-80-3
H-SER-LYS-PRO-ASP-ASN-PRO-GLY-GLU-ASP-ALA-PRO-ALA-GLU-ASP-MET-ALA-ARG-TYR-TYR-SER-ALA-LEU-ARG-HIS-TYR-ILE-ASN-LEU-ILE-THR-ARG-GLN-ARG-TYR-NH2 NEUROPEPTIDE Y (3-36) (HUMAN, RAT) 150138-78-6
H-GLU-ILE-GLY-ASP-GLU-GLU-ASN-SER-ALA-LYS-PHE-PRO-ILE-NH2 GLU-ILE-GLY-ASP-GLU-GLU-ASN-SER-ALA-LYS-PHE-PRO-ILE-NH2 125934-45-4
HYPERTREHALOSAEMIC NEUROPEPTIDE (NAUPHOETA CINEREA) HYPERTREHALOSAEMIC NEUROPEPTIDE (NAUPHOETA CINEREA) 106018-36-4
NEUROPEPTIDE W-30 (RAT) TRP-TYR-LYS-HIS-VAL-ALA-SER-PRO-ARG-TYR-HIS-THR-VAL-GLY-ARG-ALA-SER-GLY-LEU-LEU-MET-GLY-LEU-ARG-ARG-SER-PRO-TYR-LEU-TRP 383415-90-5
NEUROPEPTIDE Y, PORCINE 豬源神經(jīng)肽Y 82785-45-3
(ALA31,AIB32)-NEUROPEPTIDE Y (PORCINE) TYR-PRO-SER-LYS-PRO-ASP-ASN-PRO-GLY-GLU-ASP-ALA-PRO-ALA-GLU-ASP-LEU-ALA-ARG-TYR-TYR-SER-ALA-LEU-ARG-HIS-TYR-ILE-ASN-LEU-ALA-AIB-ARG-GLN-ARG-TYR-NH2 313988-59-9
(LEU31,PRO34)-NEUROPEPTIDE Y (HUMAN, RAT) (LEU31,PRO34)-NEUROPEPTIDE Y (HUMAN, RAT) 132699-73-1
(LEU31,PRO34)-NEUROPEPTIDE Y (PORCINE) [LEU 31, PRO34]-神經(jīng)肽Y(豬) 125580-28-1
(D-TRP32)-NEUROPEPTIDE Y (HUMAN, RAT) (D-TRP32)-NEUROPEPTIDE Y (HUMAN, RAT) 178861-83-1
NEUROPEPTIDE Y (2-36) (HUMAN, RAT) NEUROPEPTIDE Y (2-36) (HUMAN, RAT) 123139-39-9
NEUROPEPTIDE Y (2-36) (PORCINE) NEUROPEPTIDE Y (2-36) (PORCINE) 102961-52-4
NEUROPEPTIDE Y (3-36) (PORCINE) SER-LYS-PRO-ASP-ASN-PRO-GLY-GLU-ASP-ALA-PRO-ALA-GLU-ASP-LEU-ALA-ARG-TYR-TYR-SER-ALA-LEU-ARG-HIS-TYR-ILE-ASN-LEU-ILE-THR-ARG-GLN-ARG-TYR-NH2 143863-88-1
NEUROPEPTIDE Y (13-36), HUMAN, RAT NEUROPEPTIDE Y (13-36) (HUMAN, RAT) 122341-40-6
(LEU31,PRO34)-NEUROPEPTIDE Y (13-36) (HUMAN, RAT) (LEU31,PRO34)-NEUROPEPTIDE Y (13-36) (HUMAN, RAT) 302798-54-5
NEUROPEPTIDE Y (13-36) (PORCINE) PRO-ALA-GLU-ASP-LEU-ALA-ARG-TYR-TYR-SER-ALA-LEU-ARG-HIS-TYR-ILE-ASN-LEU-ILE-THR-ARG-GLN-ARG-TYR-NH2 113662-54-7
AC-LEU-ARG-HIS-TYR-LEU-ASN-LEU-LEU-THR-ARG-GLN-ARG-TYR-NH2 AC-LEU-ARG-HIS-TYR-LEU-ASN-LEU-LEU-THR-ARG-GLN-ARG-TYR-NH2 155709-24-3
H-D-TYR-ILE-ASN-LEU-ILE-D-THR-ARG-GLN-ARG-D-TYR-NH2 (D-TYR27·36,D-THR32)-NEUROPEPTIDE Y (27-36) 163887-48-7
H-PRO-ASP-VAL-ASP-HIS-VAL-PHE-LEU-ARG-PHE-NH2 PRO-ASP-VAL-ASP-HIS-VAL-PHE-LEU-ARG-PHE-NH2: PDVDHVFLRF-NH2 121801-61-4
NEUROPEPTIDE F PRO-ASP-LYS-ASP-PHE-ILE-VAL-ASN-PRO-SER-ASP-LEU-VAL-LEU-ASP-ASN-LYS-ALA-ALA-LEU-ARG-ASP-TYR-LEU-ARG-GLN-ILE-ASN-GLU-TYR-PHE-ALA-ILE-ILE-GLY-ARG-PRO-ARG-PHE-NH2 136697-70-6
ADNF-14 VAL-LEU-GLY-GLY-GLY-SER-ALA-LEU-LEU-ARG-SER-ILE-PRO-ALA 177159-38-5
H-TYR-LEU-LEU-PRO-ALA-GLN-VAL-ASN-ILE-ASP-OH TYR-LEU-LEU-PRO-ALA-GLN-VAL-ASN-ILE-ASP 156707-52-7
H-PHE-ASN-ALA-PRO-PHE-ASP-VAL-GLY-ILE-LYS-LEU-SER-GLY-VAL-GLN-TYR-GLN-GLN-HIS-SER-GLN-ALA-LEU-NH2 OBESTATIN (HUMAN) 1081110-72-6
Orexin A (bovine, human, mouse, rat) 促食素A 205640-90-0
OREXIN B (HUMAN) 食欲肽B (人) 205640-91-1
H-ARG-PRO-GLY-PRO-PRO-GLY-LEU-GLN-GLY-ARG-LEU-GLN-ARG-LEU-LEU-GLN-ALA-ASN-GLY-ASN-HIS-ALA-ALA-GLY-ILE-LEU-THR-MET-NH2 食欲肽B 202801-92-1
(ALA11,D-LEU15)-OREXIN B (HUMAN) ARG-SER-GLY-PRO-PRO-GLY-LEU-GLN-GLY-ARG-ALA-GLN-ARG-LEU-D-LEU-GLN-ALA-SER-GLY-ASN-HIS-ALA-ALA-GLY-ILE-LEU-THR-MET-NH2 532932-99-3
H-ILE-SER-GLN-ALA-VAL-HIS-ALA-ALA-HIS-ALA-GLU-ILE-ASN-GLU-ALA-GLY-ARG-OH ILE-SER-GLN-ALA-VAL-HIS-ALA-ALA-HIS-ALA-GLU-ILE-ASN-GLU-ALA-GLY-ARG 92915-79-2
Oxytocin free acid 催產(chǎn)素 24346-32-5
(PHE2,ORN8)-OXYTOCIN (PHE2,ORN8)-OXYTOCIN 2480-41-3
PACAP38 腺苷酸環(huán)化酶激活肽-38(抗原) 137061-48-4
PACAP 1-27 神經(jīng)垂體素 127317-03-7
PACAP 6-38 PACAP (6-38), HUMAN, OVINE, RAT 143748-18-9
H-TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 138764-85-9
PANCREATIC POLYPEPTIDE, RAT ALA-PRO-LEU-GLU-PRO-MET-TYR-PRO-GLY-ASP-TYR-ALA-THR-HIS-GLU-GLN-ARG-ALA-GLN-TYR-GLU-THR-GLN-LEU-ARG-ARG-TYR-ILE-ASN-THR-LEU-THR-ARG-PRO-ARG-TYR-NH2 90419-12-8
PANCREASTATIN, PORCINE GLY-TRP-PRO-GLN-ALA-PRO-ALA-MET-ASP-GLY-ALA-GLY-LYS-THR-GLY-ALA-GLU-GLU-ALA-GLN-PRO-PRO-GLU-GLY-LYS-GLY-ALA-ARG-GLU-HIS-SER-ARG-GLN-GLU-GLU-GLU-GLU-GLU-THR-ALA-GLY-ALA-PRO-GLN-GLY-LEU-PHE-ARG-GLY-NH2 106477-83-2
PANCREATIC POLYPEPTIDE, HUMAN PANCREATIC POLYPEPTIDE, HUMAN 59763-91-6
PANCREATIC POLYPEPTIDE (1-17)-(ALA31,AIB32)-NEUROPEPTIDE Y (18-36) (HUMAN) ALA-PRO-LEU-GLU-PRO-VAL-TYR-PRO-GLY-ASP-ASN-ALA-THR-PRO-GLU-GLN-MET-ALA-ARG-TYR-TYR-SER-ALA-LEU-ARG-HIS-TYR-ILE-ASN-LEU-ALA-AIB-ARG-GLN-ARG-TYR-NH2 313988-70-4
PANCREATIC POLYPEPTIDE (BOVINE) 102082-88-2
PANCREATIC POLYPEPTIDE (RANA TEMPORARIA) 胰腺多肽 132187-74-7
H-LEU-THR-ARG-PRO-ARG-TYR-OH ALA-PRO-LEU-GLU-PRO-VAL-TYR-PRO-GLY-ASP-ASN-ALA-THR-PRO-GLU-GLN-MET-ALA-GLN-TYR-ALA-ALA-ASP-LEU-ARG-ARG-TYR-ILE-ASN-MET-LEU-THR-ARG-PRO-ARG-TYR-NH2: APLEPVYPGDNATPEQMAQYAADLRRYINMLTRPRY-NH2 192432-73-8
PARATHYROID HORMONE (1-34), BOVINE 牛甲狀旁腺激活素-(1-34) 12583-68-5
PARATHYROID HORMONE (1-34), RAT 甲狀旁腺素(鼠) 98614-76-7
PTH (1-38) (HUMAN) SER-VAL-SER-GLU-ILE-GLN-LEU-MET-HIS-ASN-LEU-GLY-LYS-HIS-LEU-ASN-SER-MET-GLU-ARG-VAL-GLU-TRP-LEU-ARG-LYS-LYS-LEU-GLN-ASP-VAL-HIS-ASN-PHE-VAL-ALA-LEU-GLY-ALA-PRO-LEU-ALA-PRO-ARG: SVSEIQLMHNLGKHLNSMERVEWLRKKLQDVHNFVALGAPLAPR 104218-12-4
PTH (70-84) (HUMAN) ALA-ASP-LYS-ALA-ASP-VAL-ASN-VAL-LEU-THR-LYS-ALA-LYS-SER-GLN 213533-86-9
PEPTIDE YY, HUMAN 多肽YY(人) 118997-30-1
H-ILE-LYS-PRO-GLU-ALA-PRO-GLY-GLU-ASP-ALA-SER-PRO-GLU-GLU-LEU-ASN-ARG-TYR-TYR-ALA-SER-LEU-ARG-HIS-TYR-LEU-ASN-LEU-VAL-THR-ARG-GLN-ARG-TYR-NH2 人多肽 YY (3-36) 123583-37-9
Prolactin-Releasing Peptide (1-31) (human) H-SER-ARG-THR-HIS-ARG-HIS-SER-MET-GLU-ILE-ARG-THR-PRO-ASP-ILE-ASN-PRO-ALA-TRP-TYR-ALA-SER-ARG-GLY-ILE-ARG-PRO-VAL-GLY-ARG-PHE-NH2 215510-22-8
H-SER-ARG-THR-HIS-ARG-HIS-SER-MET-GLU-ILE-ARG-THR-PRO-ASP-ILE-ASN-PRO-ALA-TRP-TYR-ALA-SER-ARG-GLY-ILE-ARG-PRO-VAL-GLY-ARG-PHE-NH2 THR-PRO-ASP-ILE-ASN-PRO-ALA-TRP-TYR-ALA-SER-ARG-GLY-ILE-ARG-PRO-VAL-GLY-ARG-PHE-NH2 235433-36-0
H-THR-PRO-ASP-ILE-ASN-PRO-ALA-TRP-TYR-THR-GLY-ARG-GLY-ILE-ARG-PRO-VAL-GLY-ARG-PHE-NH2 THR-PRO-ASP-ILE-ASN-PRO-ALA-TRP-TYR-THR-GLY-ARG-GLY-ILE-ARG-PRO-VAL-GLY-ARG-PHE-NH2 222988-10-5
H-SER-LEU-ILE-GLY-ARG-LEU-NH2 SER-LEU-ILE-GLY-ARG-LEU-NH2 171436-38-7
H-ALA-TYR-PRO-GLY-LYS-PHE-NH2 AY-NH2 352017-71-1
(ALA1)-PAR-4 (1-6) (MOUSE) ALA-TYR-PRO-GLY-LYS-PHE 380900-00-5
H-HIS-SER-LEU-GLY-LYS-LEU-LEU-GLY-ARG-PRO-ASP-LYS-PHE-OH (LEU144,ARG147)-MYELIN PROTEOLIPID PROTEIN (139-151) 188859-65-6
PEPTIDE YY (13-36) (PORCINE, RAT) PEPTIDE YY (13-36) (CANINE, MOUSE, PORCINE, RAT) 86895-09-2
PTH (1-44) (HUMAN) SER-VAL-SER-GLU-ILE-GLN-LEU-MET-HIS-ASN-LEU-GLY-LYS-HIS-LEU-ASN-SER-MET-GLU-ARG-VAL-GLU-TRP-LEU-ARG-LYS-LYS-LEU-GLN-ASP-VAL-HIS-ASN-PHE-VAL-ALA-LEU-GLY-ALA-PRO-LEU-ALA-PRO-ARG 85568-24-7
PANCREATIC POLYPEPTIDE (31-36) (HUMAN) ALA-PRO-LEU-GLU-PRO-MET-TYR-PRO-GLY-ASP-TYR-ALA-THR-HIS-GLU-GLN-ARG-ALA-GLN-TYR-GLU-THR-GLN-LEU-ARG-ARG-TYR-ILE-ASN-THR-LEU-THR-ARG-PRO-ARG-TYR-NH2: APLEPMYPGDYATHEQRAQYETQLRRYINTLTRPRY-NH2 74012-13-8
H-GLY-LYS-ARG-TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 GLY-LYS-ARG-TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 160489-86-1
H-GLN-MET-ALA-VAL-LYS-LYS-TYR-LEU-ALA-ALA-VAL-LEU-GLY-LYS-ARG-TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 GLN-MET-ALA-VAL-LYS-LYS-TYR-LEU-ALA-ALA-VAL-LEU-GLY-LYS-ARG-TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 144025-82-1
AC-HIS-SER-ASP-GLY-ILE-PHE-THR-ASP-SER-TYR-SER-ARG-TYR-ARG-LYS-GLN-MET-ALA-VAL-LYS-LYS-TYR-LEU-ALA-ALA-VAL-LEU-GLY-LYS-ARG-TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 TRIFLUOROACETATE AC-HIS-SER-ASP-GLY-ILE-PHE-THR-ASP-SER-TYR-SER-ARG-TYR-ARG-LYS-GLN-MET-ALA-VAL-LYS-LYS-TYR-LEU-ALA-ALA-VAL-LEU-GLY-LYS-ARG-TYR-LYS-GLN-ARG-VAL-LYS-ASN-LYS-NH2 TRIFLUOROACETATE 156106-32-0
DVAHEILNEAYRKVLDQLSARKYLQSMVA ASP-VAL-ALA-HIS-GLU-ILE-LEU-ASN-GLU-ALA-TYR-ARG-LYS-VAL-LEU-ASP-GLN-LEU-SER-ALA-ARG-LYS-TYR-LEU-GLN-SER-MET-VAL-ALA 132769-35-8
CYS-TYR-ILE-THR-ASN-CYS-GLY-LEU-GLY-NH2 (THR4,GLY7)-OXYTOCIN 60786-59-6
H-SER-ALA-LEU-ARG-HIS-TYR-ILE-ASN-LEU-ILE-THR-ARG-GLN-ARG-TYR-NH2 SER-ALA-LEU-ARG-HIS-TYR-ILE-ASN-LEU-ILE-THR-ARG-GLN-ARG-TYR-NH2 119019-65-7
H-TYR-PRO-SER-LYS-PRO-ASP-ASN-PRO-GLY-GLU-ASP-ALA-PRO-ALA-GLU-ASP-MET-ALA-ARG-TYR-TYR-SER-ALA-LEU-NH2 TYR-PRO-SER-LYS-PRO-ASP-ASN-PRO-GLY-GLU-ASP-ALA-PRO-ALA-GLU-ASP-MET-ALA-ARG-TYR-TYR-SER-ALA-LEU-NH2 131448-51-6
PYR-LEU-THR-PHE-SER-SER-GLY-TRP-GLY-ASN-NH2 PYR-LEU-THR-PHE-SER-SER-GLY-TRP-GLY-ASN-NH2 117107-54-7
ASP-ALA-PHE-VAL-BETA-ALA-LEU-MET-NH2 ASP-ALA-PHE-VAL-Β-ALA-LEU-MET-NH2 127633-71-0
ATRIAL NATRIURETIC PEPTIDE (4-24), FROG CYS-PHE-GLY-SER-ARG-ILE-ASP-ARG-ILE-GLY-ALA-GLN-SER-GLY-MET-GLY-CYS-GLY-ARG-ARG-PHE (DISULFIDE BRIDGE: CYS1-CYS17) 118691-44-4
ISOTOCIN (SER4,ILE8)-OXYTOCIN 550-21-0
29 30 31 32 33 34 35 36 37 38 39
Copyright 2007? ChemicalBook. All rights reserved.