Sichuan University

Cdgm Glass Co., Ltd

Weimin Li

Li Zhang

Yang He

Zhixin Qiu

Bojiang Chen

Bo Kuang

Wei Wen

The present invention discloses [1,2,4]triazolo[1,5-a]pyridine derivatives, as well as the crystalline form thereof. Compounds provided in the present invention have significant inhibitory effects on tumor cells, can be used for the prevention and/or treatment of tumor-related diseases, especially lung cancer, and have wide application prospects. 

[1,2,4] triazolo [1,5-a] pyridine derivative and crystalline form thereof

The present invention discloses pyrazolo[3,4-d]pyrimidine derivatives of formula (I). Compounds provided in the present invention have significant inhibitory effects on tumor cells, can be used for the prevention and/or treatment of tumor-related diseases, especially lung cancer, and have wide application prospects.

Pyrazolo [3,4-d] pyrimidine derivative

The invention provides an environment-friendly optical glass with high refractive index, low dispersion and high light transmittance. The optical glass includes 6%-17% of BO, 2-10% of SiO, more than 25% but less than 45% of LaO, 5-25% of GdO, 0-3% of NbO, more than 19% but less than 27% of TaO, 0-16% of ZnO, 0-5% of BaO, 0-5% of CaO, 0-5% of SrO, 0-9% of ZrO, 0-8% of YO, 0-8% of YbO, 0-5% of WO, 0-2% of LiO, NaO and KO, equal to 0.01% but less than 0.1% of SbOand 0-1% of SnOoptical glass. The environment-friendly optical glass does not contain GeO, and has refractive index of 1.85-1.90, Abbe number of 35-45, the corresponding wavelength below 440 nm when transmittance thereof reaches 80% and high transmittance.

High-refractivity low-dispersion optical glass

Growing community of inventors

Sichuan, China

Weimin Li