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(11)

EP 3 250 568 A1

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(43) Date of publication: 06.12.2017 Bulletin 2017/49 (21) Application number: 16876979.2 (22) Date of filing: 23.05.2016

(51) International Patent Classification (IPC):  C07D 413/00(2006.01) C07D 263/00(2006.01) (86) International application number: PCT/IB2016/053003 (87) International publication number: WO 2017/182853 (26.10.2017 Gazette 2017/43)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 21.04.2016 IN 201641013830 (71) Applicant: Optimus Drugs Pvt Ltd Habsiguda, Hyderabad 500007 (IN)	(72) Inventors: DESI REDDY, Srinavas Reddy 500007 Hyderbad (IN) RANE, Dnyandev Ragho 500007 Hyderabad (IN) VELIVELA, Srinavasa Rao 500007 Hyderbad (IN) PEKETY, Subba Reddy 500007 Hyderbad (IN) (74) Representative: Hamm&Wittkopp Patentanwälte PartmbB  Jungfernstieg 38 20354 Hamburg 20354 Hamburg (DE)