9-Substituted 4,9-dihydropyrano[3,4-b]indol-1(3H)-ones-synthesis and conversion into 2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indoles

R&D Labs maybe for 112821-54-2

• Hangzhou Bayee Chemical Co.,Ltd.

  Contact:+86-571-86990109

  Address:No.380, Jiangnan Auenue, Binjiang District, Hangzhou, China

• CHENGDU CHENLV HERB CO.,LTD

  Contact:+86-28-88523492

  Address:714rooms of Time Square, Pujiang County

• Suzhou Credit International Trading Co., Ltd

  Contact:+86-512-65398039

  Address:Qingdeng, Hightech. District, Suzhou

• Langchem

  Contact:+86+21-58956006 15800617331

  Address:402 Room, 150# Cailun Road, Zhangjiang high tech park, Shanghai

• Xian Lyphar Biotech Co., Ltd.

  Contact:0086-29-89196322

  Address:North of the Fifth Keji Road, Hi-Tech Industrial Zone, Xi'an City, Shaanxi Province, China